Patreon - Patreon enables fans to give ongoing support to their favorite creators.
iSing Karaoke - iSing Karaoke is free to use the Karaoke app that offers free access to hundreds of songs.
Patreon Developer - Funding the arts across the web with Patreon's new API
Sing! Karaoke by Smule - Karaoke with your favorite celebrity singers
Level Music - A new platform for independent artists, everywhere. In beta.
Singa - Singa is the best way to sing karaoke on mobile or tablet.