An electronic musical instrument is provided, which makes it possible to manage a state of attendance (presence/absence, etc.) of participants and perform easy management on the level of activity on a daily, weekly, or monthly basis. According to performance operations on performance terminals 2, a controller 1 records a performance history. Performance terminals 2 to which performance parts have been assigned by a Facilitator are determined as being present, whereas performance terminal 2 to which no performance parts have been assigned are determined as being absent. The number of times of key depression on each performance terminal 2, the average key depression intensity (average Velocity), etc. from start to end of a performance are recorded. The recorded values for respective items are output in the form of text data. Since values for the respective item are recorded at every performance, the frequency of attendance of respective users can easily be managed on a daily, weekly, or monthly basis.