Train Your Abs, 2 minutes to flatten your belly

A track for abdominal exercises.
Perform 6 types of training for 20 seconds (12 bars) for a total of 2 minutes. 144 BPM. This is a track to assist in such training.
腹筋運動のためのトラックです。
6種類の鍛錬を20秒間（12小節）ずつ行なって、合計2分間。144 BPM。こ…