A new, larger screen shows the tuner and metronome functions?simultaneously. The TM-60 â€” a must-have item for practicing. The best-selling KORG TM series, which lets you use a tuner and metronome simultaneously, has been revamped. The TM-60 is the newest model and features a larger display that can show the tuner and metronome simultaneously. The battery life has also been dramatically improved. With the all-new TM-60, youâ€™ll be able to enjoy pitch training and rhythm training without having to switch functions or be concerned with battery life.