The homie Markus Designs send me wallpapers inspired by the Akai MPC 2000 XL. The .zip file has wallpapers for the iPad, iPhone and more.
I've created an Akai MPC wallpaper set as fan of this machine itself and the raw beats its created throughout the years by the help of gifted producers in the industry. It contains various dimensions [from iPhone to HD-resolution] and can be downloaded for FREE. The .zip file is located below, click the Download Now button.