Collaborative pianist and chamber music visionary, Yoko Greeney is "one of the most significant members in Portland’s classical music scene," (Oregon ArtsWatch) contributing through a multifaceted career of directing, performing, and teaching. Respected for her flawless performances of demanding music, Oregon ArtsWatch writes of a recent performance that "given its difficulty... Greeney showed no signs of struggle... [and] performed wonderfully." Of her technically demanding 2019 collaboration with BodyVox, the Portland Tribune noted that Greeney "excelled... bringing a fantastic attack to the energetic dancing." In addition to directing SoundsTruck NW, Yoko maintains a private studio and teaches at Lewis and Clark College. She serves on education and community engagement committees for various local nonprofit organizations including as the Committee Chair for Chamber Music Northwest. A gracious and devoted supporter of arts and culture, Yoko frequently hosts and performs for fundraising events.

"Timpanist Jon Greeney is a damn superstar, always in tune, always in rhythm, never too loud (important) but never too soft either (even more important)." (Oregon ArtsWatch) Best known for his work as the Principal Timpanist of the Oregon Symphony, Jon is also a member of the 45th Parallel Universe Helios Camerata, and The Gemini Project Percussion Group. An active educator, Jon is an adjunct professor of percussion studies at Portland State University.