50 new rock beats, 50 Drum notation and 50 audio tracks. Objectives: to learn more rock beats and to build a collection of essential beats. Note values : whole, quarter, eighth, sixteen, thirty-second and sixty-four notes. Tempo: 68 to 160 BPM. Time signature: 4/4 (48) 3/4 (2). Audio tracks (link under each drum notation). The audio tracks are organized in the following way: every beats is played four times with a count in. At the end of playback, the audio player restarts automatically.