The Flagstaff Symphony Orchestra will present its fourth concert of the 2014-2015 season with a program featuring the world premiere of NAU professor Bruce Reiprich’s Flowing Waters Caress Fallen Petal.

Reiprich, who teaches music theory and composition, says his composition is written “with a 21st century language that is tonal and sometimes atonal with lots of color, texture, and experimental sounds.” The piece is based on a piano solo of the same name composed for pianist Vicki Ray in 2010. Ray also will be the featured soloist with the Flagstaff Symphony Orchestra.

The opening piece in the program is William Grant Still’s Festive Overture. Still is considered “The Dean” of African-American composers and his library and archives are housed in Flagstaff. Completing the program will be Beethoven’s Symphony No. 6, the Pastorale Symphony.

The concert begins at 7:30 p.m. Friday, Jan. 23, in Ardrey Auditorium. Tickets are available online at www.flagstaffsymphony.org or by calling the NAU Central Ticket Office at (928) 523-5661.