For 3 years I've recorded all the choral concerts at Nederland High School and the combined Denver Metro Leagure Choir of over 600 students and created Audio CD's for the students to resale. This included sound editing and CD-R mastering. I used Sony stereo microphone(s) and Sony DAT recorder(s) plus various Sound programs and Toast CD-R software to create the masters. The sound you hear is an mpeg 3 clip from the Metro League Choir I recorded in Fall 2000. I can record a variety of original sounds to include in Multimedia presentations or audio CDs.