This iPhone app brings to mind an incident many years ago when I played a guitar part for my friend's mom using an arpeggiator on an effects processor. After hearing the relatively complicated part created by the combination of the arpeggiator and my strumming a simple open chord, she mused, "Where have all the musicians gone?" I'll tell you where they've gone: They've been replaced by equally talented software designers.
The application shown above can take your tone-deaf mumblings and shape them into a song with real-live chord changes and triplets and Malmsteen-quality noodlings, and you don't even need to know what a treble clef is. I was thinking the demo song this gentleman was constructing could be the next "TiK ToK," but then I recognized what it actually is when he started in on the vocals. I don't want to ruin it for you, but it's definitely a familiar jam. This app costs $3. As local engineer/studio tunesmith Jeremy Ferguson put it, "Looks like I just lost my job!"