* Add the song order in a service using `performances.rank` to indicate the relative position of each song within the service. The service page now respects this ranking. * Update the tests to use DB Migrate to manage the database transitions.
* Add the song order in a service using `performances.rank` to indicate the relative position of each song within the service. The service page now respects this ranking. * Update the tests to use DB Migrate to manage the database transitions.