Olasunkanmi Wasiu Ayinde Marshall was born on the 3rd of March, 1957 in Agawaru,Lagos state. K1 de ultimate is one of the oldest Fuji musicians in the country with over 10 studio albums.
Just like Pasuma, K1 is currently showing interest in the contemporary genre of music (hip hop). Though yet to release any hip-hop singles of his own, he was featured by Olathe Adedeji (badoo) in his song which he titled ‘anifowose’.
K1’s is one of the richest fuji musicians in Nigeria with an estimated net worth of over 1 billion naira. This monetary value is as a result of profits made from the sales of his fuji music, as a master of ceremonies(MC), live shows and other events.