http://www.youtube.com/watch?v=KylMqxLzNGo
Using a link that specifically avoids in-game footage from where this is used during Homeworld just in case someone hasn't played it.
Aaaah, Adigo for Strings.
I recall playing the game when this poped up, and my mother asked what I was doing. I ended up explaining to her what I was playing and what was happening in that mission. A little weird (as a teen you don't really consider your botanist mother to be very interested in computer-games

) but she seemed genuinely interested and made some comentary on how fitting the song was

As for classics, here's another game I borrowed from a friend, right before I came down with a serious case of the flu.
I was sick for a week, but
it was worth it.