From the press release:
“Loopcloud gives musicians studio-quality samples, loops and instruments to take their music further. It’s the all-in-one production partner that provides inspiration to start and finish tracks. What sets Loopcloud apart from its competitors is the ability to preview and modify over four million royalty-free samples—plus your own sample collection—live and in perfect time and key with your DAW – only downloading the sounds you want. It brings together every sound from your collection into one place: tagged, organised and easy-to-find.”
You can get a trial of Loopcloud here.