Jeremy Hegg, Music Director for Holiday Jam, is the oldest son of two lifelong music educators, grew up in Dell Rapids, South Dakota, and received his music degree from Augustana College in Sioux Falls. He is the staff arranger and composer for the Augustana Brass Choir, Sioux Falls Municipal Band, and many marching band programs throughout the country.

As a performer, Jeremy is known for his band Spooncat!, which has performed throughout the region since 1996. He has performed around the country and throughout Europe with artists ranging from Smokey Robinson to Chuck Berry. In recent years, he has been a featured guest pianist with South Dakota Acoustic Christmas. In 2008, Jeremy started The Radio Specialists, a group that includes several Holiday Jam members. Jeremy was also the 2003 recipient of the Mayor's Award for the Performing Arts.


Jonathon Hegg is the youngest of three musical sons whose parents were lifelong music educators. He graduated from Augustana College (now University) with a degree in musical performance. His joint efforts with his brother Jeremy began with Spooncat! and has moved into duets with him as well as numerous larger configurations. He has had the extreme pleasure to play what he refers to as second keyboard and background vocalist as well as being the mixing engineer of the albums made by Spooncat!, Holiday Jam, and anything Hegg Brothers related. He performs music for a living, which began with his first of three years with A South Dakota Acoustic Christmas. Occasionally he arranges for various ensembles and teaches.


Derek Hengeveld grew up on a farm near Valley Springs, SD. This remote location proved to be an ideal practice spot for an aspiring percussionist. During high school, he became the first four-year South Dakota All-State Band member at Brandon-Valley. After graduation, he earned a B.S. and M.S. in Mechanical Engineering at South Dakota State University. During that time he joined Spooncat! Derek went on to attain a Ph.D. in Mechanical Engineering from Purdue University. He currently performs with Spooncat!, Holiday Jam, the Hegg Brothers, and several other artists in the area. He was recently inducted into the Brandon Valley High School Fine Arts Hall of Fame. Derek continues to provide energy consulting services and thermal engineering for next-generation satellites.


Allison returns for her tenth year as a lead female vocalist in Holiday Jam. She grew up in Sioux City and has resided in Sioux Falls, Nashville, and Omaha before moving to Florida in early 2020. In every area she’s called home Allison has quickly made a name in the music scene for herself. Her talent is unmistakable and Holiday Jam welcomes her musicianship and joy as a centerpiece in this tradition.


A long-term member of and advocate for the arts community in South Dakota, Andrew Reinartz is currently the Community Development Director for Arts South Dakota, the state’s grassroots advocacy, support, and education non-profit. He also works as a musician and educator based in Southeastern South Dakota. He has been a member of the SD Symphony since 2001, performs with a number of jazz groups, in particular the JAS Quintet, and many other groups including the Hegg Brothers, Holiday Jam, Jami Lynn, and more. As an educator, he is the adjunct jazz bass instructor at Augustana University, teaches privately, works as a guest clinician, plays for students across South Dakota with the Sioux Falls Jazz & Blues Society Jazz Diversity Project, and also performs for adults the Jazz Curators performance and education series.


Joel is an active freelance saxophone player and educator based in Sioux Falls, SD. As an artists he regularly composes, arranges and performs with many groups in the region, as well as groups of his own creation. As an educator he has a large private studio, teaches at various camps and clinics bands around the area. He performs regularly with The JAS Quintet, The Hegg Brothers, The Jazz Diversity Project, The Jazz Curators, Habeas Porpoise, Jami Lynn, Holiday Jam and many other groups in the area.


Xopher Smith grew up in Dell Rapids, SD, under the musical tutelage of the Hegg brothers’ parents. After studying English and Humanities for a couple years in college, he realized he was spending more time practicing French horn and choral singing than reading up on Perspectives of Ultimate Reality or whatever. Around this same time he began learning guitar, and eventually ended up reconnecting with the Heggs in '96 to co-found a band called Spooncat! Since moving to Minneapolis around the turn of the century, he has joined local scene stalwart Prozac Rat as bass player, and is also involved in recording and performing in The Pances Project.


Jim Speirs, an experienced arts administrator and a working musician, leads South Dakota’s new advocacy organization, Arts South Dakota, as executive director. Speirs was touring and operations coordinator for the South Dakota Symphony Orchestra and membership coordinator for the Washington Pavilion, worked as the programs and events director for the South Dakota State University Alumni Association, as well as an executive for a Sioux Falls based boutique advertising firm, Fresh Produce. He is a founding member of the JAS Quintet, a regional touring jazz ensemble that recently recorded an original jazz album; a founding member of the educational touring program for Sioux Falls Jazz and Blues Society, the Jazz Diversity Project; a member of the Hegg Brothers Holiday Jam production and a popular and well-known trumpet player in a number of South Dakota musical ensembles. Jim grew up in the Black Hills of South Dakota and now resides in Sioux Falls.


Saxophonist Matt Wallace traveled to 70 countries, made 10 records and appeared on television and radio programs from 1987-2002 with Jazz Hall of Fame trumpeter Maynard Ferguson. A graduate from Westside High School in Omaha, Wallace was a 16-year-old Deacon at Countryside Church, published by 19, and on the Board of Regents at 21 as the Student Body President of the University of Nebraska-Lincoln, where he graduated with a degree in Political Science. 2015 marks his 40th year in the music business as he did his first professional gig at the age of 13 with The Resurrected Swing. Mr. Wallace has performed with Delbert McClinton, Matt "Guitar" Murphy, Chick Corea, Herbie Hancock, 10,000 Maniacs, Greg Allman, Paul Shaffer, Joe Piscopo, Los 5 and for The King of Thailand, His Majesty, Bhumibol Adulyadej.



When it comes to musical diversity, Hank Harris has cornered the market. In a market that has so many competing for the same thing, so few are successfully able to offer something new and different. This man accepts the challenge and overcomes the obstacles, side stepping the stereotypes that prevail in his chosen endeavor to construct a musical landscape of his very own. Many artists are content to sound like someone else instead of who they are, not Harris. You can hear who Hank is in his music.