"If you're old enough to remember reel-to-reel tape decks, then you
may fondly remember scrubbing. Scrubbing is the process of moving quickly forward or backward through a song as it plays. Whether you remember reel-to-reel tape decks or not, you can
scrub songs in iTunes.
Most times you'll want to listen to a song from start to finish, but if you want to locate and listen to a particular section, you can do it with the
help of the little
diamond location marker in the iTunes display."
While the song is playing, grab and hold the diamond pointer in the iTunes display and move it to the left or right to
scrub through the song. The sound
will be similar to rapidly flipping through a radio dial. Release the pointer to continue playing the song from the current point."
TL;DR
Scrubbing is the process of moving quickly forward or backward through a song as it plays.
You can do it on any media player - your iPod/
iPhone, iTunes, Windows Media Player....whatever it is you use.
I have visual voicemail on my
iPhone, where I can see your message as an audio track that I can
scrub though.
This
DJ likes scrubbing too much.