Question: I need a way to automatically adjust the tempo and key of multiple audio samples to make them sound good together - can you suggest a solution?

If you need a tool to automatically adjust the tempo and key of multiple audio samples, Samplab could be for you. It's an AI-powered polyphonic audio sample editing tool that lets you edit and manipulate audio samples. It can automatically adjust tempo and key for smooth sample blending, which is great for making sure your samples sound good together. Samplab is available as a VST3 and AU plugin or desktop app, and works with most DAWs.

Another great option is Moises, an AI-powered audio manipulation and separation tool. It has smart metronome and audio speed changing, pitch changing, and AI key detection. That means you can practice music at your own tempo and in any key, which is great for drummers, singers, bassists, guitarists and producers. Moises is available on multiple devices, including the Moises App, Moises Web App and Moises iPad App.

If you prefer a web-based option, check out Fadr. Fadr is a collection of AI-powered music tools, including key/tempo/chords detection, remix maker, mashup maker and stem extraction. You can upload songs, extract vocals, bass, drums and melodies, and detect tempo, key and chord progression. Fadr's basic plan is free and includes basic features, but its plus plan adds more advanced tools for $10/month or $100/year.