Create a playlist on Spotify based on a list of inputted artists.
logic: sign into spotify input list of artists, number of songs per artist, playlist name, and public/private check if user has met max playlist capacity search for each artist and associate with artist id confirm with user that these are the artists they're looking for with artist profile pic
"most popular" functionality: in parallel: for each artist, search their top x songs "random" functionality: in parallel: for each artist, randomly select x number of songs
create a new playlist, put the songs into the playlist
upgraded functionality: scan a poster image of a festival and find artists from that poster image