Gamelan outside Indonesia called "Gamelan Penempaan Guntur" (Gamelan Forge of Thunders). The group offers regular concerts at the museum and other venues, including international festivals. The first gamelan in Mexico is that owned by the Indonesian Embassy in Mexico City since the 1990s. It is a bronce Javanese slendro gamelan, but it started to be used and became active since young Mexican music students were convened by Fitra Ismu Kusumo, an Indonesian student in Mexico, and began using and playing this gamelan in 2002 and founded the group Indra Swara. Currently in Mexico there are at least four sets of gamelan: a Surakartan
Gamelan seven notes to the octave, with uneven intervals, usually played in five note subsets of the seven-tone collection. A full gamelan will include a set of instruments in each tuning, and classically only one tuning is used at a time. The precise tuning used differs from ensemble to ensemble, and gives each ensemble its own particular flavour. A set of gamelan instruments will be tuned to the same set of notes, but the tuning will vary from one gamelan to the next, including variations in the size of intervals. Colin McPhee , a Canadian composer who spent much time in