Megumi Hinata began learning to play the piano at the age of four, and said she first became interested in music in the latter half of elementary school, which she spent in the United States.
After returning to Japan, she began writing lyrics and music, and participated in band activities at school.
Under the direction of Kohmi Hirose, Megumi Hinata had her singing debut in 1998 as GUMI (グミ) and sang the theme song and several insert songs for the immensely popular Card Captor Sakura anime.
Melocure created music for a number of anime series including UFO Ultramaiden Valkyrie, Stratos 4, and Oku-sama wa Mahō Shōjo: Bewitched Agnes.
She has produced songs for a great number of singers, the most famous of which include Chieko Kawabe, Nami Tamaki, and Shoko Nakagawa.