本曲提供多版本支持，购买后可以获得以下所有的4个版本：
Underscore 03:31完整版 03:3160s 01:0330s 00:29

Rock guitar track with catchy melody, Stevie Ray Vaughan meet Joe Satriani. Fast tempo, blues-rock guitar passages. Complete change of theme and rhythm in the final part of piece. Works well for sports, fast cars, open highway, road tests, action, high energy productions.