Angga also known as an activist who work for Green Music Foundation that he managed together with musician Glenn Fredly . Green Music Foundation , initiated a social movement named Save Mentawai in response to the 2010 Mentawai earthquake and tsunami . Angga also known as initiator of Pondok Cerdas Indonesia atau PONDASI Project , a library based community learning center built in several rural area , the library built for the first time in South Mapinang Village and Pasapuat Village , Mentawai
2010 Mentawai earthquake and tsunami
2010 Mentawai earthquake and tsunami
Angga Dwimas Sasongko