Short description of Guitar and Drum Trainer 3.3.4: Improve your musicianship and playing by practising smarter and better. Slow down MP3 music to play and learn new songs at your own pace. Pitch shift music in different keys to your instrument instead of retuning. Filter out unwanted musical parts with a powerful 31 band professional level EQ. Set loop points to listen to and practice the same part over and over. Save settings to practice later. Use the Speed Trainer to gradually increase speed.