Shyangden moved to Kathmandu in 1990 where he worked as a music teacher in Gyanodaya School, Lalitpur and South Point Boarding School, New Baneshwor, Kathmandu..[3] Shyangden, along with Nirakar Yakthumba (bass guitar) and Bhanu Ahamed (drums), formed the band 1974 AD in 1994 whilst they were teachers in Gyanodaya School in Lalitpur, Kathmandu.

[5] Shyangden left 1974 AD in 2008 amicably to pursue a solo career[6] and moved to New York in 2009.

[7][8][9] He released a self-titled studio solo album, followed by Zindagi Asal Cha.

[14][15][16] In 2019 The Original Duo recorded and released the album La Hai, with lyrics and composition by Shyangden.

[17] In July 2019, after almost a decade, Shyangden reunited with 1974 AD and released a new album titled Nirantarata.