Theisen will perform a recital with flutist Misty Theisen and pianist Jennifer Reason in Carmichael, California including the world premiere of Stephanie Ann Boyd's Amare for alto saxophone and piano and Clare Shore's River Songs for alto saxophone and piano. Both works were commissioned by and dedicated to Theisen. Also on the program is the world premiere of Michael Young's Sonata for flute and piano and Honegger's Concerto da Camera.
The Colshire Winds (Steve Carmichael and Karen Judkins) will perform the world premiere of Theisen's La Distanza Della Luna for flute and alto saxophone at the 2018 North American Saxophone Alliance Biennial Conference at University of Cincinnati College - Conservatory of Music.
New music ensemble counter)induction will perform Theisen's 2014 composition Ondes et Ombres in Scorca Hall at National Opera Center (New York, NY). Also on the program are compositions by Boyce, Bartlett, Davidovsky, and Stravinsky. Performers are: Miranda Cuckson, violin; Ben Fingland, clarinet; and Ning Yu, piano.
Theisen will perform a flute/saxophone recital at Mars Hill University (Mars Hill, NC) with fellow woodwind professor Misty Theisen. The program: Let's Dance! from Little Music - Michael Young; Reems Creek Idyll - Everette Minchew (world premiere); Urban Legends IX: Area 51 - Wes Flinn (world premiere); Poem - Charles Griffes; Concerto da Camera - Arthur Honegger
Theisen will perform at the 2018 Navy Saxophone Symposium as member and founder of the Resonance Saxophone Orchestra. Program includes works by Stephen Dankner, Chelsea Williamson, J. S. Bach, and the world premiere of a new composition by Theisen, Klage (featuring soprano vocalist Courtney Ruckman).
Other compositions by Theisen will also be performed during the Symposium.
Theisen will perform Aaron Jay Myers' Wabi Sabi for three saxophones and three percussionists on a concert with Chamber Cartel at the Emory Planetarium in Atlanta, Georgia. The performance will also include excerpts from Theisen's voice/saxophone program with Megan Ihnen, This World of Yes.
Theisen will perform a recital with mezzo-soprano Megan Ihnen in Coulter Recital Hall on the campus of Western Carolina University in Cullowhee, North Carolina. Their diverse program, entitled This World of Yes, focuses on 21st-century compositions.