I have used this app for almost two years. It is very powerful. It took me a while to learn everything but...wow, I cant live without it on stage or at rehearsals.
Im a drummer. I work in several projects with ever changing set lists. I can easily add and change lists on the fly. I attach lyric sheets, lead charts, and notes to every song. I use the scrolling feature like a TelePrompter for songs I sing. It can also be used for sheet music. I use the metronome for starting tempos. I use the recording feature where I occasionally listen to a sample of the song to help remember the intro and feel (I cant remember stuff anymore
Buzzroll about Set List Maker