diff --git a/interface/Cargo.lock b/interface/Cargo.lock
index 34ad00d..93d4493 100644
--- a/interface/Cargo.lock
+++ b/interface/Cargo.lock
@@ -33,12 +33,32 @@ dependencies = [
  "pkg-config",
 ]
 
+[[package]]
+name = "ansi_term"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d52a9bb7ec0cf484c551830a7ce27bd20d67eac647e1befb56b0be4ee39a55d2"
+dependencies = [
+ "winapi",
+]
+
 [[package]]
 name = "anyhow"
 version = "1.0.95"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "34ac096ce696dc2fcabef30516bb13c0a68a11d30131d3df6f04711467681b04"
 
+[[package]]
+name = "atty"
+version = "0.2.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
+dependencies = [
+ "hermit-abi",
+ "libc",
+ "winapi",
+]
+
 [[package]]
 name = "autocfg"
 version = "1.4.0"
@@ -60,7 +80,7 @@ dependencies = [
  "regex",
  "rustc-hash",
  "shlex",
- "syn",
+ "syn 2.0.96",
 ]
 
 [[package]]
@@ -130,6 +150,21 @@ dependencies = [
  "libloading",
 ]
 
+[[package]]
+name = "clap"
+version = "2.34.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a0610544180c38b88101fecf2dd634b174a62eef6946f84dfc6a7127512b381c"
+dependencies = [
+ "ansi_term",
+ "atty",
+ "bitflags 1.3.2",
+ "strsim",
+ "textwrap",
+ "unicode-width",
+ "vec_map",
+]
+
 [[package]]
 name = "combine"
 version = "4.6.7"
@@ -219,6 +254,24 @@ version = "0.15.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bf151400ff0baff5465007dd2f3e717f3fe502074ca563069ce3a6629d07b289"
 
+[[package]]
+name = "heck"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6d621efb26863f0e9924c6ac577e8275e5e6b77455db64ffa6c65c904e9e132c"
+dependencies = [
+ "unicode-segmentation",
+]
+
+[[package]]
+name = "hermit-abi"
+version = "0.1.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "62b467343b94ba476dcb2500d242dadbb39557df889310ac77c5d99100aaac33"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "indexmap"
 version = "2.7.0"
@@ -236,6 +289,7 @@ dependencies = [
  "anyhow",
  "cpal",
  "pitch-detection",
+ "rust-music-theory",
 ]
 
 [[package]]
@@ -288,6 +342,12 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "lazy_static"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bbd2bcb4c963f2ddae06a2efc7e9f3591312473c50c6685e1f298068316e66fe"
+
 [[package]]
 name = "libc"
 version = "0.2.169"
@@ -387,7 +447,7 @@ checksum = "ed3955f1a9c7c0c15e092f9c887db08b1fc683305fdf6eb6684f22555355e202"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.96",
 ]
 
 [[package]]
@@ -426,7 +486,7 @@ dependencies = [
  "proc-macro-crate",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.96",
 ]
 
 [[package]]
@@ -538,6 +598,18 @@ version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2b15c43186be67a4fd63bee50d0303afffcef381492ebe2c5d87f324e1b8815c"
 
+[[package]]
+name = "rust-music-theory"
+version = "0.2.0"
+source = "git+https://github.com/the-drunk-coder/rust-music-theory?rev=a062d65#a062d65c35d02e38a48a9de29a0fe21f6b8b043d"
+dependencies = [
+ "clap",
+ "lazy_static",
+ "regex",
+ "strum",
+ "strum_macros",
+]
+
 [[package]]
 name = "rustc-hash"
 version = "1.1.0"
@@ -586,6 +658,41 @@ version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fe895eb47f22e2ddd4dabc02bce419d2e643c8e3b585c78158b349195bc24d82"
 
+[[package]]
+name = "strsim"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
+
+[[package]]
+name = "strum"
+version = "0.17.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "530efb820d53b712f4e347916c5e7ed20deb76a4f0457943b3182fb889b06d2c"
+
+[[package]]
+name = "strum_macros"
+version = "0.17.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5e6e163a520367c465f59e0a61a23cfae3b10b6546d78b6f672a382be79f7110"
+dependencies = [
+ "heck",
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
+[[package]]
+name = "syn"
+version = "1.0.109"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
 [[package]]
 name = "syn"
 version = "2.0.96"
@@ -597,6 +704,15 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "textwrap"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060"
+dependencies = [
+ "unicode-width",
+]
+
 [[package]]
 name = "thiserror"
 version = "1.0.69"
@@ -614,7 +730,7 @@ checksum = "4fee6c4efc90059e10f81e6d42c60a18f76588c3d74cb83a0b242a2b6c7504c1"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.96",
 ]
 
 [[package]]
@@ -650,6 +766,24 @@ version = "1.0.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "adb9e6ca4f869e1180728b7950e35922a7fc6397f7b641499e8f3ef06e50dc83"
 
+[[package]]
+name = "unicode-segmentation"
+version = "1.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f6ccf251212114b54433ec949fd6a7841275f9ada20dddd2f29e9ceea4501493"
+
+[[package]]
+name = "unicode-width"
+version = "0.1.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7dd6e30e90baa6f72411720665d41d89b9a3d039dc45b8faea1ddd07f617f6af"
+
+[[package]]
+name = "vec_map"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191"
+
 [[package]]
 name = "version_check"
 version = "0.9.5"
@@ -688,7 +822,7 @@ dependencies = [
  "log",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.96",
  "wasm-bindgen-shared",
 ]
 
@@ -723,7 +857,7 @@ checksum = "8ae87ea40c9f689fc23f209965b6fb8a99ad69aeeb0231408be24920604395de"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.96",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
@@ -747,6 +881,22 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "winapi"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
+dependencies = [
+ "winapi-i686-pc-windows-gnu",
+ "winapi-x86_64-pc-windows-gnu",
+]
+
+[[package]]
+name = "winapi-i686-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
+
 [[package]]
 name = "winapi-util"
 version = "0.1.9"
@@ -756,6 +906,12 @@ dependencies = [
  "windows-sys 0.59.0",
 ]
 
+[[package]]
+name = "winapi-x86_64-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
+
 [[package]]
 name = "windows"
 version = "0.54.0"
diff --git a/interface/Cargo.toml b/interface/Cargo.toml
index 8bbc54e..53b389b 100644
--- a/interface/Cargo.toml
+++ b/interface/Cargo.toml
@@ -7,3 +7,4 @@ edition = "2021"
 anyhow = "1.0.95"
 cpal = "0.15.3"
 pitch-detection = "0.3"
+rust-music-theory = {git = "https://github.com/the-drunk-coder/rust-music-theory", rev = "a062d65"}
diff --git a/interface/src/main.rs b/interface/src/main.rs
index 312152d..1de1628 100644
--- a/interface/src/main.rs
+++ b/interface/src/main.rs
@@ -4,6 +4,7 @@ use std::{sync::mpsc, thread::sleep, time::Duration};
 use anyhow::{Context, Ok, Result};
 use cpal::traits::{DeviceTrait, HostTrait, StreamTrait};
 use pitch_detection::{detector::{mcleod::McLeodDetector, PitchDetector}, utils};
+use rust_music_theory::note::{Note, NoteLetter, Pitch, Tuning};
 
 fn main() -> Result<()> {
     // assumes pulseaudio system with f32 samples and 2204 sample packets
@@ -40,9 +41,31 @@ fn main() -> Result<()> {
 
     for (note,vol) in notes {
         if let Some(note) = note {
-            dbg!(note.frequency);
+            //dbg!(note.frequency);
             dbg!(note.clarity);
             dbg!(vol);
+            let note = Note::from_freq(note.frequency, Tuning::EqualTemperament);
+            match note.pitch {
+                Pitch { letter: NoteLetter::A, accidental: 0}  => {
+                    println!("forward");
+                }
+                Pitch { letter: NoteLetter::A, accidental: 1}  => {
+                    println!("backward");
+                }
+                Pitch { letter: NoteLetter::C, accidental: 0}  => {
+                    println!("right");
+                }
+                Pitch { letter: NoteLetter::C, accidental: 1}  => {
+                    println!("left");
+                }
+                Pitch { letter: NoteLetter::G, accidental: 0}  => {
+                    println!("fire");
+                }
+                pitch => {
+                    dbg!(pitch);
+                }
+                
+            }
         }
     }