RocKmer (Leomer Esteban) is a Filipino Musician, singer-songwriter, composer, and multi-instrumentalist.
In year 2012 he form a Band called "Diskatura" to join on Battle of the Band in Arena Sports Bar, Quezon City under Energy FM management.Their original song title "Emosyonal" is Won for People's choice award.RocKmer went on to produce original songs and distributed them on all music platforms such as Spotify he is a verified artist, even his YouTube account is officially a music artist channel.