diff --git a/imgui b/imgui
index 8aa4c2e..feef23c 160000
--- a/imgui
+++ b/imgui
@@ -1 +1 @@
-Subproject commit 8aa4c2e9ce349a2201e1355dceee90e2e84fa74d
+Subproject commit feef23c5a746503cbcd57fd0cfea5b74174e31df
diff --git a/libmidi/CMakeLists.txt b/libmidi/CMakeLists.txt
index 54ecc63..46ca838 100755
--- a/libmidi/CMakeLists.txt
+++ b/libmidi/CMakeLists.txt
@@ -21,27 +21,60 @@ find_package(PkgConfig)
 find_package(Curses REQUIRED)
 pkg_search_module(SDL2 REQUIRED sdl2)
 
+# Apple try to find openmp if we using clang
 if (APPLE)
-    message(STATUS "libmidi(Apple) Use OpenMP")
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Xpreprocessor -fopenmp")
-    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Xpreprocessor -fopenmp")
-    set(LINK_LIBS ${LINK_LIBS} -L/usr/local/lib -lomp pthread)
-else()
-    find_package(OpenMP)
-    if(NOT TARGET OpenMP::OpenMP_CXX)
-    set_property(TARGET OpenMP::OpenMP_CXX
-                PROPERTY INTERFACE_LINK_LIBRARIES ${OpenMP_CXX_FLAGS} Threads::Threads)
+    if(CMAKE_C_COMPILER_ID MATCHES "Clang\$")
+        set(OpenMP_C_FLAGS "-Xpreprocessor -fopenmp")
+        set(OpenMP_C_LIB_NAMES "omp")
+        if (CMAKE_SYSTEM_PROCESSOR MATCHES "arm64")
+            set(OpenMP_C_INCLUDE_DIR "/opt/homebrew/opt/libomp/include")
+            set(OpenMP_omp_LIBRARY -L/opt/homebrew/opt/libomp/lib ${OpenMP_C_LIB_NAMES})
+        else()
+            set(OpenMP_C_INCLUDE_DIR "/usr/local/opt/libomp/include")
+            set(OpenMP_omp_LIBRARY -L/usr/local/opt/libomp/lib ${OpenMP_C_LIB_NAMES})
+        endif()
     endif()
+    if(CMAKE_CXX_COMPILER_ID MATCHES "Clang\$")
+        set(OpenMP_CXX_FLAGS "-Xpreprocessor -fopenmp")
+        set(OpenMP_CXX_LIB_NAMES "omp")
+        if (CMAKE_SYSTEM_PROCESSOR MATCHES "arm64")
+            set(OpenMP_CXX_INCLUDE_DIR "/opt/homebrew/opt/libomp/include")
+            set(OpenMP_omp_LIBRARY -L/opt/homebrew/opt/libomp/lib ${OpenMP_CXX_LIB_NAMES})
+        else()
+            set(OpenMP_CXX_INCLUDE_DIR "/usr/local/opt/libomp/include")
+            set(OpenMP_omp_LIBRARY -L/usr/local/opt/libomp/lib ${OpenMP_CXX_LIB_NAMES})
+        endif()
+    endif()
+endif()
+
+find_package(OpenMP)
+if (APPLE AND OPENMP_FOUND)
+    message(STATUS "libmidi(Apple) Use OpenMP")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
+    include_directories(${OpenMP_CXX_INCLUDE_DIR})
+    set(LINK_LIBS ${LINK_LIBS} ${OpenMP_omp_LIBRARY})
+elseif(OPENMP_FOUND)
     if(WIN32 OR MINGW)
-        message(STATUS "libmidi(Windows) Use OpenMP")
-        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
-        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
-        set(LINK_LIBS ${LINK_LIBS} gmp pthread)
+        if (NOT IMGUI_STATIC)
+            message(STATUS "libmidi(Windows) Use OpenMP")
+            set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
+            set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
+            if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
+                set(LINK_LIBS ${LINK_LIBS} omp pthread)
+            else ()
+                set(LINK_LIBS ${LINK_LIBS} gomp pthread)
+            endif ()
+        endif()
     else()
-        message(STATUS "libmidi Use OpenMP")
+        message(STATUS "imlibmidigui Use OpenMP")
         set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
         set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
-        set(LINK_LIBS ${LINK_LIBS} gmp pthread)
+        if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
+            set(LINK_LIBS ${LINK_LIBS} omp pthread)
+        else ()
+            set(LINK_LIBS ${LINK_LIBS} gomp pthread)
+        endif ()
     endif()
 endif()
 
diff --git a/test/immidi.cpp b/test/immidi.cpp
index 99e7acd..31ad1df 100644
--- a/test/immidi.cpp
+++ b/test/immidi.cpp
@@ -4,6 +4,7 @@
 #include <imgui_internal.h>
 #include <imgui_helper.h>
 #include <imgui_extra_widget.h>
+#include <imgui_fft.h>
 #include <dir_iterate.h>
 #include <ImGuiTabWindow.h>
 #include <ImGuiFileDialog.h>