diff --git a/index.js b/index.js
index dada225..f020928 100644
--- a/index.js
+++ b/index.js
@@ -8,10 +8,11 @@ bpm.addEventListener("change", (e) => {
 const newChannel = document.getElementById("new-channel");
 const insert = document.getElementById("insert");
 insert.addEventListener("click", (e) => {
-	const newSequence = newChannel.querySelector("input[type=text]").value;
+	input = newChannel.querySelector("input[type=text]");
+	const newSequence = input.value;
 	if (newSequence) {
 		createChannel(rebuildArray(newSequence));
-		newChannel.value = "";
+		input.value = "";
 	}
 });
 
@@ -24,8 +25,6 @@ document.getElementById("start")?.addEventListener("click", async () => {
 	newChannel.classList.remove("hidden");
 
 	createChannel(["C4", null, null, "F4", null, null, null]);
-	createChannel([["C3", ["F3", "G3", "A#3"]], "C3", ["D#3", "D3"], "F3"]);
-	createChannel(["C3", ["G3", ["F3", "A#3"]], "C3", ["D#3", "D3"], "F3"]);
 	createChannel(["C3", "F3"]);
 });
 
@@ -84,7 +83,11 @@ let createChannel = function (sequence) {
 
 function simplifyArray(literal) {
 	// Sorry for this
-	return literal.replaceAll('"', "").replaceAll("'", "").replaceAll(",", ", ");
+	return literal
+		.replaceAll('"', "")
+		.replaceAll("'", "")
+		.replaceAll(",", ", ")
+		.replaceAll("null", "-");
 }
 
 function rebuildArray(literal) {
@@ -100,6 +103,7 @@ function rebuildArray(literal) {
 	let array = JSON.parse(rebuild);
 	try {
 		getAllIndexes(array, "null").forEach((index) => (array[index] = null));
+		getAllIndexes(array, "-").forEach((index) => (array[index] = null));
 	} catch (e) {
 		console.log(e);
 	}