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 outside Indonesia style steel slendro pelog gamelan, and a Javanese slendro bronce gamelan, both owned by the Embassy of Indonesia in Mexico City; and gamelan Asep Mangsa, a Javanese pelog gamelan, and gamelan Barudak, a Sundanese degung gamelan, both owned by Indra Swara. The first gamelans outside of Indonesia were in the Netherlands, the country which had colonized the islands. Before World War II, the Javanese dancer Jodjana had a small gamelan group in the Netherlands, which accompanied his performances. He had to train Dutch musicians. Early during the war, the resistance fighter Bernardus IJzerdraat was killed by the Germans. His son