diff --git a/manifest b/manifest
index 267b046f9..ee46ead05 100644
--- a/manifest
+++ b/manifest
@@ -2,3 +2,4 @@ sessions.sql
 users.sql
 sessions_api_v1.sql
 p2p.sql
+collapse_participants.sql
diff --git a/up/collapse_participants.sql b/up/collapse_participants.sql
new file mode 100644
index 000000000..f4d86a4bb
--- /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); 
+ALTER TABLE connections ADD COLUMN ip_address VARCHAR(64);