[1] Sandhy came from a musical family, where the house provided the likes of American pop, folk, jazz, and blues tunes coming from his mother's or father's guitar every day.
[2] After graduating from high school in Jakarta, at the age of 18, Sandhy went to visit his uncle in California and stayed there for a while, before leaving for Germany to study architecture.
The busker agreed, and Sandhy borrowed his friend's guitar and started playing on the streets of Biberach an der Riss.
Sandhy participated in the 8th edition of New Wave, an "International Contest of Young Pop Singer" in Jūrmala, Latvia, after Brandon Stone, a music producer, suggested he take part in the competition.
On the first day of the competition, the contestants were required to sing world hits, and Sandhy sang "When a Man Loves a Woman" by Percy Sledge.
[4] Sandhy started to gain fame in his home country Indonesia after videos of his performances in New Wave were uploaded to YouTube.
In 2010, he was invited by Diane Warren to perform for PBS in the Palladium Theatre, along with famous artists such as Cher, Patti Austin, Celine Dion, Toni Braxton, Eric Benet, Fantasia, LeAnn Rimes and others.