Eastyle

Eastyle (Traditional: 翼勢力 Pinyin: Yì Shì Lì) is a Taiwanese boy band that does street dancing, Hip hop and R&B.
They were first heard on the radio with the song 'You are My Most Loved Person' (你是我最深愛的人), which was written by the composer - Yong Bang (永邦), but was sung a cappella.
They were first in a group called 貝格斯Beggars with other friends that all had a passion for street dancing. After stopping for about a year, they came up with a new name for their group consisting of 4 members - Eastyle (翼勢力).

The four members of the group are: David (Ah Mei), Casper (Xiao Cao), Javin (Qiu Fan) and Micky (Yuan Tai).

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Wikipedia