Shapemix

This turned up a few days ago and I just haven't got around to mentioning it as yet although it does look good.

Shapemix: Remix, Create and Share

A revolutionary and intuitive way to interact with music you love.

• Mix in space – See your audio as you hear it.
• Multi-touch – Move and manipulate several audio channels at once.
• Visual feedback – Understand how effects change sounds in real time.

Begin Mixing Immediately

• Start remixing immediately with access to nearly 100 free tracks within the App.

To further enhance mixes, additional songs and tracks from a variety of artists will soon be available to purchase

Remix Music Anytime, Anywhere

• Simply drag and drop complete songs or tracks stored in your Shapemix Collection to create an original music mix.
• Import a vocal track, lower the drum beat, and extend the guitar solo all with the touch of your finger.
• Adjust the BPM on the fly.
• Add effects to each of the tracks – reverb, delay, flanger and low pass – to create an original sound.

Share Mixes

• Share mixes with friends on Shapemix.com, Facebook, Twitter and more.

The app is priced at $4.99