add method to go to page to edit a song
add put /songs/:id and get /songs/:id/edit to edit songs in the database and add corresponding test
update edit.erb to show default value of song title when updating song title
add initialize method to genre class to create a new genre and add test for it
add framework for tests for genres_spec
add method save_genre to genres repo to save genre to genres table and add corresponding test
update save_genre method to update genre table if genre id already exists and add corresponding test
add test to check if delete_genre method works correctly
add delete_genre method to remove a genre from the genres table
add test to check if get_genre method returns the correct genre from the genres table
add get genre method to return the genre from the genres table based on requested id
add test to check if get_all_genres method returns all genres from the genres table
add get_all_genres method to return all genres from the genres table
add delete '/songs/:id' to server.rb to remove songs from database and add corresponding test
add genre_index.erb
add server methods and tests for genre similar to songs
add method to get genre id
add genre parameter to songs which is foreign key from genres table, added to song and songs repo
update all server.rb code and tests to incorporate songs now requiring a genre
update save to have genre selected from dropdown menu