Take Creative Vocal Recorder for iPhone

For more about Take:
http://www.propellerheads.se/take

Sing, rap, hum, strum. Take lets you capture your musical ideas – anytime, anywhere. Take combines the drop-dead simplicity of your voice memos with features custom-tailored to vocalists’ needs. Record harmonies along with your voice, blend in effects to sweeten the sound and sing along to inspiring beats and rhythms.