From the users guide:
Additional Audio Controls
To display additional controls, tap the album artwork on the Now Playing screen.
The repeat, Genius, and shuffle controls appear along with the scrubber bar. You can
see elapsed time, remaining time, and the song number. The song’s lyrics also appear,
if you’ve added them to the song in iTunes.
Use the scrubber bar to skip to any point along the timeline. You can adjust the scrub
rate from high-speed to fine by sliding your finger down as you drag the playhead
along the scrubber bar.
Repeat Ping like
Scrubber bar
Shuffle
Genius
Ping post
Playhead
Set iPod touch to repeat songsTap A. Tap A again to set iPod touch to repeat only the
current song.
B = iPod touch is set to repeat all songs in the current
album or list.
= iPod touch is set to repeat the current song over
and over.
= iPod touch isn’t set to repeat songs.
A is black arrowed racetrack
B is blue arrowed racetrack
C is blue arrowed racetrack with circled number
D is outlined arrowed racetrack
You can download the Users Guide for your iPod here:
Apple - Support - Manuals