Ayub Bachchu (16 August 1962 – 18 October 2018, mostly known as AB) was a Bengali guitarist, composer, singer and songwriter, who was a member of the Bangladeshi rock band LRB. He earned success as the founder and the lead guitarist of LRB.Bachchu began his career as the guitarist of Feelings where he played from 1977 to 1980, in Chittagong City. In 1980, he joined Souls where he played for 10 years and appeared in four studio albums including Super Souls (1982), College-er Coridoore (In the Corridors of College) (1985), Masush Matir Kachakachi (People are Close to the Ground) (1987) and East and West (1988). In 1990, he left the band to form his own band LRB, where he was the vocalist and guitarist for 28 years, until his death in 2018. He also received well success as a solo artist. He was also one of the wealthiest celebrities of Bangladesh, with a net worth of US $2 million dollars.Bachchu is widely regarded as the greatest and most influential guitarist of Bangladesh. He is sometimes referred to as "the guitar god".
He is also known as AB.
Bachchu was admitted to the CCU of a hospital in Dhaka on November 2012 for the accretion of water in his lungs. He recovered after receiving treatment. On 18 October 2018, he died of cardiac failure at his residence in Maghbazar, Dhaka at 21:55 BST at the age of 56. He was declared dead at the Square Hospital, Dhaka. He was buried in Chaitonno Goli graveyard, Chittagong beside his mother's grave.