In 2004, when it’s established for only two months, O-Kai Singers had already won Competition of the Taiwan International Contemporary A Capella Festival sponsored by the TCMC (Taiwan Choral Music Center) as a dark horse. Speaking of award-winning, this group has even set the highest record in the Chinese-speaking world –so far by 2019, it has scored 36 international awards at home and abroad. O-Kai Singers has been invited to perform with top groups in the world, such as the Swingle Singers, the Real Group, the Idea of North. Their first album "O-Kai A Cappella", which is recorded with the masters of the American Grammy Awards, has won: three awards in Taiwan's 24th GMA (Golden Melody Award) 2013 as Judges Award, Best Singing Group Award, Best Aboriginal Folk Album Award, the Best Jazz Album by CARAs (Contemporary A Capella Recording Awards) in the U. S. 2013, and one of the Top Ten Albums of the Year by Taiwan Chinese Musicians Exchange Association in 2012. Since it’s founded, O-Kai Singers has involved in various joint music performances and has been invited to sing all over the world.