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 Surakarta bonang panembung. A typical performance ensemble includes a female vocal soloist (pesinden) and male chorus (gerongan); in certain passages, the singers clap rhythmically (keplok). In Yogyakarta, there is a tendency to have more sarons of each register and it is more likely that the bonang panembung will be present. An archaic instrument, the celuring, a set of struck bells is found only on a few gamelan in the Yogyakarta Kraton and is played in place of the saron panerus. The Solonese style is often considered more refined (or "alus") than Yogyanese style. One specific difference is in saron peking playing;