My favorite module(s) for doing this is the Entrian Melody sequencer. It is a lot of work though. For just a snippet, I usually use a sequential switch and set the notes manually but it is hard to get rhythm patterns using just a sequential switch. Never-the-less, I have implemented many songs in these manual ways, but then I usually cannot or will not post the results due to copyright issues.
Edit: Just listening to the Myself intro up until the lyrics start sound like it would be fairly amenable to a sequential switch approach, assuming you know the or can sound out the notes, or find them online.
Edit: Actually I meant to say Entrian Timeline rather than Entrian Melody. Here is probably the most complex piece I have done with Entrian Timeline: