diff --git a/.vscode/tasks.json b/.vscode/tasks.json
index 26f74c1..eba6acd 100644
--- a/.vscode/tasks.json
+++ b/.vscode/tasks.json
@@ -9,6 +9,7 @@
                 "-fansi-escape-codes",
                 "-g",
                 "${file}",
+                "${fileDirname}/utils.c",
                 "${fileDirname}/ring_buffer.c",
                 "${fileDirname}/parser.c",
                 "-lm",
diff --git a/build.sh b/build.sh
index 5358a2e..0c4a7a5 100644
--- a/build.sh
+++ b/build.sh
@@ -1,3 +1,3 @@
 #!/bin/bash
 CC="${CXX:-cc}"
-$CC -Wall -std=c11 ./main.c ./ring_buffer.c ./parser.c -lm -lraylib -o ./bin/main
+$CC -Wall -std=c11 ./main.c ./utils.c ./ring_buffer.c ./parser.c -lm -lraylib -o ./bin/main
diff --git a/main.c b/main.c
index c9c7335..4632b3c 100644
--- a/main.c
+++ b/main.c
@@ -24,45 +24,6 @@
 #define WINDOW_HEIGHT 480
 
 
-
-
-
-//------------------------------------------------------------------------------------
-// General SynthSound
-//------------------------------------------------------------------------------------
-
-typedef struct SynthSound {
-    float* samples;
-    size_t sample_count;
-} SynthSound;
-
-// frees the original sounds
-SynthSound concat_sounds(SynthSound* sounds, size_t count) {
-    size_t total_count = 0;
-    for (size_t i = 0; i < count; i++) {
-        total_count += sounds[i].sample_count;
-    }
-    // array to hold the result
-    float* total = malloc(total_count * sizeof(float));
-
-    size_t current_count = 0;
-    for (size_t i = 0; i < count; i++) {
-        memcpy(total + current_count,
-            sounds[i].samples,
-            sounds[i].sample_count * sizeof(float));
-        current_count += sounds[i].sample_count;
-
-        free(sounds[i].samples);
-    }
-
-    SynthSound result = {
-        .samples = total,
-        .sample_count = total_count
-    };
-
-    return result;
-}
-
 //------------------------------------------------------------------------------------
 // Oscillator
 //------------------------------------------------------------------------------------
diff --git a/utils.c b/utils.c
new file mode 100644
index 0000000..694def5
--- /dev/null
+++ b/utils.c
@@ -0,0 +1,30 @@
+#include "utils.h"
+#include "stdlib.h"
+#include "string.h"
+
+// frees the original sounds
+SynthSound concat_sounds(SynthSound* sounds, size_t count) {
+    size_t total_count = 0;
+    for (size_t i = 0; i < count; i++) {
+        total_count += sounds[i].sample_count;
+    }
+    // array to hold the result
+    float* total = malloc(total_count * sizeof(float));
+
+    size_t current_count = 0;
+    for (size_t i = 0; i < count; i++) {
+        memcpy(total + current_count,
+            sounds[i].samples,
+            sounds[i].sample_count * sizeof(float));
+        current_count += sounds[i].sample_count;
+
+        free(sounds[i].samples);
+    }
+
+    SynthSound result = {
+        .samples = total,
+        .sample_count = total_count
+    };
+
+    return result;
+}
\ No newline at end of file
diff --git a/utils.h b/utils.h
index 6941528..287b8bc 100644
--- a/utils.h
+++ b/utils.h
@@ -7,4 +7,16 @@
         printf(format, ## args); \
     } while(0)
 
+//------------------------------------------------------------------------------------
+// General SynthSound
+//------------------------------------------------------------------------------------
+
+typedef struct SynthSound {
+    float* samples;
+    size_t sample_count;
+} SynthSound;
+
+// frees the original sounds
+SynthSound concat_sounds(SynthSound* sounds, size_t count);
+
 #endif
\ No newline at end of file