19. The at least one computer storage media that is not a signal per se of claim 15 where the computer-executable instructions further configure the computing device to match the audio rendition to the audio recording based on a melody representation of the audio rendition.
19. The at least one computer storage media that is not a signal per se of claim 15 where the computer-executable instructions further configure the computing device to match the audio rendition to the audio recording based on a melody representation of the audio rendition. 20. The at least one computer storage media that is not a signal per se of claim 19 where the melody representation comprises the pitch contour of the audio rendition, the pitch interval of the audio rendition, and the durations of notes of the audio rendition.