diff --git a/up/collapse_participants.sql b/up/collapse_participants.sql
new file mode 100644
index 000000000..691b0018a
--- /dev/null
+++ b/up/collapse_participants.sql
@@ -0,0 +1,4 @@
+DROP TABLE music_session_clients;
+
+ALTER TABLE connections ADD COLUMN music_session_id VARCHAR(64) REFERENCES music_sessions(id) ON DELETE SET NULL; 
+ALTER TABLE connections ADD COLUMN ip_address VARCHAR(64);