Is there a way to start an audio at other time??? like 0:34 for example

I'm having problems with my game because I'm doing like a guitar hero but I need to now how to start the song not in 0 sec to the finish of the song.

if someone can help me with that problem that will be awesome!!!!:)

This fella has built a sequencer for Unity. I haven't played with it but it may do the trick:

Unity Music manager

In terms of a "seek" you can do so using the AudioSource.time variable