A fun game if you like music.
An app that plays some characteristic part of a song or music piece (the beginning few seconds, the bass line, etc.), and you have to identify it as quickly as possible. You can invite friends to a challenge. Leaderboards show the best overall, by music genre, decade, etc.
So you don’t have to turn the pages of the sheet music yourself.
A tablet app that recognizes the music you are playing and automatically advances the sheet music on its display to match what you are playing now and will be momentarily.
Music can be uplifting and short motivational messages can help too.
An app that combines your favorite music playlist with your favorite motivational messages. After every music piece is played, a message is also played before the next music starts.
Use the in-flight personal entertainment system with your content.
Allow people to upload their playlist of music and videos. The in-flight system will download all the music videos and movies on the list so that they’re ready to play when your board the flight.