this is one of the characteristics of rapai saman in aceh held at certain events such as weddings in aceh society, this is our cultural arts in aceh, in addition to custom homes aceh also have music art like photo below ...
this link to see aceh art culture..
https://alatmusikindonesia.com/alat-musik-tradisional-aceh/
http://googleweblight.com/i?u=http://musik.or.id/mengenal-alat-musik-rapai/&hl=id-ID&geid=1027