Mayday is also a Taiwanese alternative rock band also known as 五月天 Wǔ Yuè Tiān in Mandarin. The band was formed in the late 1990s with five members, named Ashin(Ah-Xin) (vocalist), Monster (Guai Wu/Guai Shou) and Stone (Shi Tou) (lead guitars), Masa (Ma-sha)(bass guitar) and Guan You (Guan-You) (drums).