This MP3 file is the perfect companion to any stations you may use, keeping track of time for you and signaling students to rotate automatically. This frees you up to:provide students with feedbackattend to classroom management issuesobserve student performanceWhat you get:mp3 file with a 10 minute duration alternating 30 seconds of music, followed by 10 seconds of silence.The 30-10 interval works well for stations. Students work at one station until the music stops. The 10 seconds of silence pr