T-RackS 3 video shows how it is the best audio mastering and mixing software program. www.t-racks.com. Cult hit software used by hundreds of thousands of musicians/producers to master and mix their songs (Paul Oakenfold, Crystal Method etc) T-RackS and T-RackS 24. Compressor, EQ, Pultec, Fairchild and more,9 ultra-realistic processors so you can master your own songs.