Kyai Tirta Rukmi is alive and well! It is mostly used for Sundanese gamelan, but we play Javanese music occasionally.
Website:
https://www.music.pitt.edu/performance/ensembles/university-gamelan
https://www.music.pitt.edu/auto-created-vocabulary/gamelan-ensemble
Andrew N. Weintraub
Chair and Professor of Music
University of Pittsburgh
https://www.music.pitt.edu/people/andrew-n-weintraub