Sumon

In 2016 he released his first solo bass album named "Soul Food Part 1".In the album, Sumon collaborated and featured world-renowned musicians, in the likes of Felix Pastorius, Robert ‘Bubby’ Lewis, Josh Cohen, Bob Franceschini, J.D. Blair and Erfan Nazem Zadeh. Talented Bangladeshi drummer Mark Don is also featured in one of the tracks.

After the release of Aurthohin's fourth album, 'Dhrubok', Sumon's health deteriorated. In 2011, it was announced that he had stomach cancer. After surgery and chemotherapy, Sumon was pronounced cancer-free in 2013. He wrote a song about his illness, "Cancer", which appeared on 'Aushomapto 2'. The cancer came back and he had to go through a total of 12 surgeries in 5 years.

Sumon is also the director of Khaled Group of Companies. He has two children named Ahnaf Salehin Khaled and Aurora Salehin Khaled and a wife named Nazia Salehin Khaled (1996-present).Both of his children sang with him on his album Boka Manushta'.

Sumon was born and raised in Dhaka. He started learning bass at the age of 15. He first auditioned for rock band Feelings in 1990 at the age of 16 and joined the band that year. He had played in 11 bands by the age of 19. In 1997, he joined Warfaze and later appeared in the band's 1998 hit album "অসামাজিক (Antisocial)". In 1999, he released his first solo album "সুমন ও অর্থহীন (Sumon and Aurthohin)" and in the same year he formed the band Aurthohin.

Saidus Salehin Khaled Sumon (Bengali: সাইদুস সালেহীন খালেদ সুমন ; born 8 January 1973), popularly known by his nickname Bassbaba Sumon, is a Bangladeshi rock singer-songwriter, composer, bassist, record producer and founder of the Bangladeshi rock band Aurthohin. He has been the only constant member of the band since 1998 and has appeared in all the albums of the band.

Sumon was born in 1973 in Dhaka, Bangladesh to Nazmul Ahsan Khaled and Shamsun Nahar Khaled. He has two brothers named Shamsul Arefin Khaled and Saiful Arefin Khaled along with a sister named Shahina S. Khaled who lives in Oregon, USA. He attended Government Laboratory High School. After that, he completed his graduation from Dhaka City College. He started playing Hawaiian guitar at the age of 7. In an interview, Sumon stated that he was unable to buy a Spanish guitar, so he took his Hawaiian guitar to a shop and converted it to a Spanish guitar. He picked up his first Spanish guitar and formed his first band when he was 12. One day he was seeing an Iron Maiden show on TV. He was heavily inspired by Steve Harris. Since then he started playing bass guitar. He was 15. He joined one of the most popular bands of Bangladesh 'Feelings' as a bassist when he was 17 where he played with the greatest rockstar of Bangladesh, Faruq Mahfuz Anam, commonly known as James. He did the first ever unaccompanied bass solo in Bangladesh when he was 17.