GTR Solo by Waves (@KVRAudio Product Listing): GTR Solo delivers the sound of real amps, cabs, stomps, and mics in your computer. Just plug in, fire it up. Feb 22, 2009 My friend Tal Shoshani at Waves asked me to take a closer look at GTR Solo and their large metal hardware unit GTR Ground. In the video. Turn your computer into a guitar FX powerhouse with GTR Solo: 10 precision modeled guitar amps, 13 stomps and 10 cabinets by Fender®, Marshall®, Vox.