Rick Davies, the lead singer, pianist and co-founder of British rock band Supertramp, died Saturday at age 81 after a more than decade-long battle with multiple myeloma, the band said Monday on its website.

Davies, who co-wrote much of the group's material with fellow founding member Roger Hodgson, was described by the band as “the voice and pianist behind Supertramp's most iconic songs, leaving an indelible mark on rock music history.” The statement also credited his “soulful vocals and unmistakable touch on the Wurlitzer” as central to the band’s sound.

Formed in 1969 by Davies and Hodgson, Supertramp rose to international prominence in the 1970s. Their 1979 album, Breakfast in America, topped charts in the United States and Canada, won two Grammy Awards and sold more than 18 million copies worldwide. The record included enduring hits such as “The Logical Song” and “Goodbye Stranger,” which remained staples of classic rock radio.

Davies was born in Swindon, England, in 1944 and developed an early interest in jazz, blues and rock ’n’ roll, according to the band. Supertramp's blend of pop, progressive rock and catchy melodies, anchored by Davies’s baritone and keyboard playing, helped the group attract a broad audience during its commercial peak.

Hodgson left Supertramp in 1983 and pursued a solo recording career. The band disbanded in 1988, and Davies later revived Supertramp in 1996, touring under the name and keeping the music active for new audiences. Supertramp’s last performance came in Madrid in 2012.

Davies had been public about his long struggle with multiple myeloma, a form of blood cancer, and continued to be associated with the band’s legacy through reissues and archival releases. His passing marks the end of a career that spanned more than five decades and left a measurable imprint on popular music, both through chart success and the enduring presence of Supertramp’s songs in film, television and radio playlists.

Band members, collaborators and long-time fans have acknowledged Davies’s role in shaping the group’s distinctive sound, marked by lyrical hooks, layered instrumentation and his particular piano style. As details about services or remembrances were not immediately released, the band’s website served as the primary source of the announcement.

Davies’s death follows a period in which many artists from his generation have been reassessed and celebrated for their contributions to rock and pop music. Supertramp’s catalog, led by the work Davies helped create, continues to be cited for its melodic craftsmanship and commercial reach.