Question: I'm looking for a way to create royalty-free vocal tracks for my music productions - do you know of any solutions?

Vocalist.ai is one of the top options. It transforms raw vocals into finished tracks, reproducing the styles of well-known singers and rappers. The service has a curated catalog of vocalists across many genres, and you can generate both male and female versions of a track, including rap features. Vocalist.ai guarantees royalty-free results and uses high-quality conversion with relatively fast turnaround times, making it a good option for creators who need fast and high-quality vocal tracks.

Another top contender is Revocalize, a more general-purpose AI voice generation service. It lets you create your own AI voice or select from a library of licensed voices. Revocalize offers hyper-realistic vocals with options like real-time auto-tune, auto-generated vocal variations and a variety of creative profiles. It's geared for a range of users, including sound engineers, producers and artists, and has pricing tiers to accommodate different budgets.

If you want something easy to use and with lots of options for customization, SOUNDRAW is worth a look. This AI music creation service lets you generate original, royalty-free songs with a minimal amount of work. SOUNDRAW spans a wide range of genres and gives you full rights to the music it generates, so you don't have to worry about copyright. The service has flexible pricing tiers, so it's good for hobbyists and professional artists.