diff --git a/dsp/CMakeLists.txt b/dsp/CMakeLists.txt
index a54049e..65f8cac 100644
--- a/dsp/CMakeLists.txt
+++ b/dsp/CMakeLists.txt
@@ -7,18 +7,22 @@ set(CMAKE_CXX_STANDARD_REQUIRED ON)
 find_package(Threads REQUIRED)
 
 add_library(soothe2_dsp SHARED
-    dsp/fft_plan.cpp
-    dsp/fft_stage.cpp
-    dsp/cody_waite.cpp
-    dsp/twiddle_builder.cpp
-    dsp/fft.cpp
-    dsp/spectral.cpp
-    dsp/filter.cpp
-    dsp/detect.cpp
-    dsp/ms.cpp
-    dsp/harness.cpp
+    fft_plan.cpp
+    fft_stage.cpp
+    twiddle_builder.cpp
+    fft.cpp
+    spectral.cpp
+    filter.cpp
+    detect.cpp
+    twin.cpp
+    phase_table.cpp
 )
 
+add_executable(soothe2_harness harness.cpp)
+add_executable(twin_check twin_check.cpp)
+target_link_libraries(twin_check soothe2_dsp)
+target_link_libraries(soothe2_harness soothe2_dsp)
+
 target_include_directories(soothe2_dsp PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
 
 target_link_libraries(soothe2_dsp Threads::Threads)