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John Tuck studied music all through college at the Chicago College of Performing Arts and University of Kentucky.  He was a member of the U.S. Navy’s premiere contemporary music ensemble The Electric Brigade until taking a job as the Assistant National Entertainment Director for live music venue chain Howl at the Moon where he met his wife Amy.  They have since formed Colorado Keys together.

Amy Tuck grew up in a small town in Ohio and studied music at CSULB.  She has since performed in Los Angeles, Las Vegas, Houston, Singapore, Kansas City, and finally Denver where she is extremely happy to call home.  After playing for numerous clubs and moving from city to city, she met her husband John, and together they created Colorado Keys.

Pamela Machala grew up in a musical family and started piano at the age of 5. She continued her studies at Oberlin Conservatory and Eastern Illinois University, and honed her dueling piano chops working at the Denver location of Howl at the Moon from 2015-2018. Now a freelancer and award-winning singer/songwriter who fronts the Pamela Machala Band, she can be found performing all over Colorado’s Front Range.

Jon Sherman has done it all. He started singing, playing piano and drums at the age of seven. By the time he was ten he was acting in commercials, films and Off-Broadway, but music was the biggest passion for him. Jon started dueling pianos in 1992 at Jake Ivory’s in Boston after attending Berklee college of music. After a short time in Aukland, New Zealand, performing a Dueling Pano Show, he started with Howl at the Moon in San Antonio, TX. Jon moved to Denver in 1999 to work at Sing Sing Dueling Piano Bar. In 2011 Howl At The Moon bought and took over Sing Sing’s location and he continued to work for Howl until 2020, when the Covid pandemic hit. Jon still makes his home in Denver and does freelance piano-sing- along clubs across the country

Mike Cappo is an accomplished piano player, percussionist, vocalist, and entertainer who has performed across the United States. For almost three decades, he’s been entertaining the self-medicated proletariat of Detroit, Omaha, Phoenix, Los Angeles, Oklahoma City, New Orleans, San Diego, and a whole bunch of other cities you haven’t heard of. Mike’s mix of comedy, crowd interaction, superb musicianship, and vocal versatility provides an unforgettable experience for the audience. In his spare time, Mike enjoys writing, composing, and spending time with his beautiful wife, Sarah, and their three rescue dogs.

Riley O’Toole is a Colorado native and graduated from Colorado University Boulder with a bachelors degree in jazz piano. He began his career in dueling pianos in 2018 at Howl at the Moon, Denver and has been with Colorado Keys since 2021. With Riley’s excellent piano skills and wide vocal range, he ROCKS every performance!

Carey began formal music instruction at a very young age on the violin and piano and comes from a musical family lineage dating back several generations. He attended Baylor University and also the Peabody Conservatory where he studied classical music, earning a Bachelor’s Degree in Music Performance, and a Master’s Degree in Music Performance, both on the violin. In 2010, Carey began performing at Howl at the Moon in Houston, Texas as violinist, guitarist, bassist, and drummer - a role which eventually expanded to full time Dueling Pianos entertainer and Entertainment Director for the venue. In 2022, Carey moved with his wife and two children to Erie, Colorado where he currently enjoys performing with original bands, playing private events and weddings, and of course Dueling Pianos. In his spare time Carey enjoys following his Houston Rockets basketball team, food and drink, and playing with his English Bulldog, Oscar.

Nathan McMahon is a seasoned saxophonist with over 25 years of experience, bringing soulful and captivating performances to audiences across the nation. A proud alumnus of Indiana University of Pennsylvania (IUP), Nathan holds a bachelor's degree in Saxophone Performance, where he honed his skills and deepened his passion for music.

Nathan's illustrious career includes serving in the United States Marine Corps field bands, where he performed for diverse audiences and prestigious events, showcasing his versatility and dedication to his craft. His performances have graced iconic venues and events, including the vibrant Mardi Gras celebrations in New Orleans, the historic Kentucky Derby, and the thrilling Coca-Cola 600 in Charlotte.