modified db schema, changed all types of artists field to string, removed ref
seperate current_song fileter to two filters called current_song_for_index and current_song_for_show, modified filters in both releases admin controller and non-admin controller, modified filters in both songs admin controller and non-admin controller
changed all names of cond variable for query to "query" for matching convention
removed count query in post model and release model
removed current_artist filter, modified args will be send into model
commit for tempn for ben