Reggae is a good choice. UB40's Red Red Wine is one that I use. Pantera's Cemetery Gates for testing rock/metal.Just use a high qulaity recording of a gener that uses a wide range of frequincies. Reggae, most rock, Jazz, etc... all work.
GRANDMA'S HANDS!chesky disk //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif