On Mondays, singers from all over Denver join together to rehearse and collaborate. As singers progress through the ability-based choir levels, they continue to strengthen their musical skills and knowledge as well as their friendships.

Summit Singers: an advanced level performance group for singers with exceptional skill and dedication with elite performance opportunities.

Fourteeners: a select group of advanced members representing RMCC in community performances and collaborations.

Mountain Men: a boys ensemble designed to give those with changed voices the opportunity to continue singing.

Mountain Aires:  a small select men's group -- also members of Mountain Men.

Altitude: a 12-voice mixed acappella group comprised of advanced high school singers.

Conducting Class I:  By invitation, these RMCC singers learn basic conducting skills once a week.

Conducting Class II: For those RMCC singers who have completed one year of Conducting Class I, this class is designed to teach a more advanced level of conducting, with some practical experience directing one of the large RMCC choirs.