diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3ec6999..54638b0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ jobs:
         with:
           submodules: 'true'
       - name: install libs
-        run: sudo apt install -y libglfw3-dev libgl-dev libv4l-dev libasound2
+        run: sudo apt install -y libglfw3-dev libgl-dev libv4l-dev libasound2t64
       - name: gcc
         run: mkdir -p build && gcc -v -Wall -Wextra -Werror src/*.c src/*.h -lglfw -lGL -lm -lasound -Iinclude hashmap.c/hashmap.c log.c/src/log.c -DGLFW_INCLUDE_NONE -DGLFW_EXPOSE_NATIVE_EGL -DGLFW_NATIVE_INCLUDE_NONE
 
@@ -26,7 +26,7 @@ jobs:
         with:
           submodules: 'true'
       - name: install libs
-        run: sudo apt install -y libglfw3-dev libgl-dev libv4l-dev libasound2
+        run: sudo apt install -y libglfw3-dev libgl-dev libv4l-dev libasound2t64
       - name: aclocal
         run: aclocal
       - name: autoconf
diff --git a/Makefile.am b/Makefile.am
index 19d97d3..a28289c 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,6 +1,6 @@
 AUTOMAKE_OPTIONS = foreign subdir-objects -Wall
 bin_PROGRAMS = forge
-forge_SOURCES = src/main.c src/args.c src/forge.c src/file.c src/window.c src/shaders.c src/timer.c src/string.c src/config_file.c src/rand.c src/video.c src/shared.c src/midi.c src/state.c src/arr.c $(top_srcdir)/include/glad/gl.h $(top_srcdir)/include/glad/egl.h $(top_srcdir)/hashmap.c/hashmap.c $(top_srcdir)/log.c/src/log.c
+forge_SOURCES = src/main.c src/args.c src/forge.c src/file.c src/window.c src/shaders.c src/timer.c src/string.c src/config_file.c src/rand.c src/video.c src/shared.c src/midi.c src/state.c src/arr.c src/tempo.c $(top_srcdir)/include/glad/gl.h $(top_srcdir)/include/glad/egl.h $(top_srcdir)/hashmap.c/hashmap.c $(top_srcdir)/log.c/src/log.c
 forge_CFLAGS = -Ofast -march=native -flto -funroll-loops -fprefetch-loop-arrays -fno-exceptions -fopenmp -I$(top_srcdir)/include -DGLFW_INCLUDE_NONE -DGLFW_EXPOSE_NATIVE_EGL -DGLFW_NATIVE_INCLUDE_NONE -DLOG_USE_COLOR
 forge_LDADD = -lm -lGL -lglfw
-include_HEADERS = src/main.h src/args.h src/config.h src/types.h src/forge.h src/file.h src/constants.h src/window.h src/shaders.h src/timer.h src/string.h src/config_file.h src/rand.h src/video.h src/shared.h src/midi.h src/state.h src/arr.h $(top_srcdir)/include/glad/gl.h $(top_srcdir)/include/glad/egl.h $(top_srcdir)/include/linmath.h $(top_srcdir)/include/hashmap.h $(top_srcdir)/include/log.h
\ No newline at end of file
+include_HEADERS = src/main.h src/args.h src/config.h src/types.h src/forge.h src/file.h src/constants.h src/window.h src/shaders.h src/timer.h src/string.h src/config_file.h src/rand.h src/video.h src/shared.h src/midi.h src/state.h src/arr.h src/tempo.h $(top_srcdir)/include/glad/gl.h $(top_srcdir)/include/glad/egl.h $(top_srcdir)/include/linmath.h $(top_srcdir)/include/hashmap.h $(top_srcdir)/include/log.h
\ No newline at end of file
diff --git a/src/tempo.h b/src/tempo.h
new file mode 100644
index 0000000..396eda4
--- /dev/null
+++ b/src/tempo.h
@@ -0,0 +1,6 @@
+#include "types.h"
+
+#ifndef TEMPO_H
+#define TEMPO_H
+
+#endif /* TEMPO_H */
\ No newline at end of file