The answer to the crossword for the term 'LOSER Musician' is BECK, a four-letter word. BECK is an American singer, songwriter, rapper, record producer, and multi-instrumentalist. He is best known for his musical composition of the 1994 single 'LOSER'. His musical style encompasses a wide range of genres, including hip hop, funk, folk, and psychedelia. He has released 13 studio albums and won multiple awards, including two Grammy Awards.