Ryan Cayabyab Singers (formed in 2007, in Manila), also known as “RCS”, is a Filipino vocal group established by composer Ryan Cayabyab. The seven-member ensemble gained recognition for a mature sound blending pop, R&B, and jazz. Their recording career began with the debut album RCS (2007), featuring compositions by Cayabyab. In 2008, the group received Awit Awards for Best Performance by a New Group and Best R&B Song for "Let Me Love You Tonight". Following a repackaged version of their debut in 2011, the ensemble released its third studio album, Sa Panaginip Lang (2016). The group established a reputation for live performances, touring internationally in Singapore, Australia, and North America. Member changes included the addition of Anthony Castillo in 2015 and VJ Caber in 2019. The ensemble performed a world tour in 2016 to promote their third album and celebrate 100 Years of Pilipino Music.