never heard of them
Their first compilation album, "Review - Best of Glay", was the best selling album of all time in Japan in 1997. As of 2007, it is ranked at #3 in the orion chrats
In 1998, Japan's telephone service was temporarily put out of order to allow for the mass number of fans to reserve tickets to their upcoming tour.
Their contract transfer from Pony Canyon to Toshiba EMI is the most expensive transfer in Japan's history, at 4 billion yen.
They played to the biggest crowd in a concert, 280,000 people. I think that was in 2001 or 99, carnt remember