4.6 octave DeMorrow Custom Concert Marimba, built in 1990 serial no. 1-90. Honduran rosewood bars, recently re-tuned in early 2018. Frame is solid African Bubinga, full-range tunable polished brass resonators, brass bar pins with wool felt insulators, 6" solid rubber casters, rattle-free instrument. Includes travel bags, custom flannel-lined cotton cover and extra set of bars for practice.