Michał Krzysztof Łapaj is a Polish musician, composer, producer, instrumentalist, and sound designer. He is best known for his longstanding performances in the progressive metal band Riverside, of which he has been a member since 2003. He has also appeared on albums by projects such as Leash Eye, Behemoth, Antigama, Lunatic Soul, and Tangerine Dream.
He is a member of the phonographic academy of the Polish Society of the Phonographic Industry and the Association of Authors and Composers.
He is self-taught. He began learning to play keyboard instruments at the age of 4. In order to improve his skills, he attended the Institute of Organ Training in Warsaw and the Author's School of Popular Music and Jazz named after Krzysztof Komeda.
He mainly plays Hammond organs and analog synthesizers from the 1970s and 1980s.
In 2021, after nearly 20 years of career in his original band, Michał released his first solo album "Are You There". This album ranked highly in music portal rankings not only in Poland but also abroad.