You can’t beat Song Rhythm Tracks! Try the Jazz and Blues Sampler! – https://itunes.apple.com/us/app/srt-jazz-and-blues-sampler/id1344104865?mt=8
It is a great way to get into using the backing tracks and the App with these pre-arranged numbers, https://alivedrumming.com/try-song-rhythm-tracks-no-cost-limited-time-offer-jazz-blues-sampler/
https://alive-drumming.org/try-song-rhythm-tracks-no-cost-limited-time-offer-jazz-blues-sampler/