diff --git a/build b/build
index 301096623..d07eb2476 100755
--- a/build
+++ b/build
@@ -21,7 +21,7 @@ mkdir -p $PG_RUBY_PACKAGE_OUT
 bundle update
 
 echo "building migrations"
-bundle exec pg_migrate build --source . --out $PG_BUILD_OUT
+bundle exec pg_migrate build --source . --out $PG_BUILD_OUT --test --verbose
 
 echo "packaging migrations for ruby"bundle exec pg_migrate package --source $PG_BUILD_OUT --out $PG_RUBY_PACKAGE_OUT --name jam-db --version "0.0.1"
 bundle exec pg_migrate package --source $PG_BUILD_OUT --out $PG_RUBY_PACKAGE_OUT --name $PROJECT_NAME --version $BUILD_NUMBER
diff --git a/manifest b/manifest
index 5bf921101..ba16d4d5e 100644
--- a/manifest
+++ b/manifest
@@ -1,2 +1,3 @@
 sessions.sql
-users.sql
\ No newline at end of file
+users.sql
+sessions_api_v1.sql
diff --git a/up/sessions_api_v1.sql b/up/sessions_api_v1.sql
new file mode 100644
index 000000000..f602b27be
--- /dev/null
+++ b/up/sessions_api_v1.sql
@@ -0,0 +1,23 @@
+ALTER TABLE jam_sessions DROP COLUMN public;
+
+-- rename 'name' to 'description' to match product specification terminology
+ALTER TABLE jam_sessions RENAME name TO description;
+
+-- rename jam_sessions to more generic 'music_sessions'
+ALTER TABLE jam_sessions RENAME TO music_sessions;
+
+-- get rid of early version of member table
+DROP TABLE jam_session_members;
+
+-- one row is created per connected client
+CREATE TABLE music_session_clients (
+        id VARCHAR(64) PRIMARY KEY DEFAULT uuid_generate_v4(),
+        user_id VARCHAR(64) REFERENCES users(id) ON DELETE CASCADE,
+        music_session_id VARCHAR(64) REFERENCES music_sessions(id) ON DELETE CASCADE,
+	ip_address VARCHAR(64) NOT NULL,
+        created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+        updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+
+