Glay is a Japanese rock band, formed in Hakodate in 1988. Glay primarily composes songs in the rock and pop genres, but they have also arranged songs using elements from a wide variety of genres, including punk, electronic, R&B, folk, reggae, gospel, and ska. Originally a visual kei band, the group slowly shifted to less dramatic attire through the years. As of 2016, Glay had sold an estimated 51 million records; 28 million singles and 23 million albums, making them one of the top three best-selling artists of all time in Japan.

Glay is a Japanese rock band, formed in Hakodate in 1988. Glay primarily composes songs in the rock and pop genres, but they have also arranged songs using elements from a wide variety of genres, including punk, electronic, R&B, folk, reggae, gospel, and ska. Originally a visual kei band, the group slowly shifted to less dramatic attire through the years. As of 2016, Glay had sold an estimated 51 million records; 28 million singles and 23 million albums, making them one of the top three best-selling artists of all time in Japan.