Special 30% off promo price!Guitar Player Magazine says: "This ingenious super metronome was developed by funky-as-hell Sco sideman Avi Bortnick. It will leave out beats randomly to force you to strengthen your own inner time-keeping muscles, and it has other cool features for odd meters, drum machine-style patterns, and more. For the low price of $2.99, this is an awesome learning, grooving, solidifying tool."NoTreble.com says: "I love the aesthetic and layout of Time Guru. It