Not spamming! just wantes you to know about this fantastic music production tool
Melodyne pitch correction product:
Melodyne has become a tool which is used by a large number of professional record producers worldwide to tune and manipulate audio signals, typically a singer's vocals.
Melodyne also has facilities for time-stretching, rebuilding melodies. It can also be used to aid the creation of backing vocals from an existing lead vocal. The first public viewing of Melodyne was at the Winter NAMM Show in 2001 and it has since won various awards
You can also edit drums and even create dubstep synths: find more info in the page below