It's the fifth installment of "Sing Your Song", the one with Xin Kai and Brin Jing.
Sing Your Song is a program that "opens the door to your dreams with your voice". The program is a great way to find people who love to sing and have dreams, and to provide a stage for them to pursue their dreams.
Each episode features five groups of talent scouts, who use "blind auditioning" to select contestants, and then help them pursue their musical dreams through training and singing with the scouts.
Song Description:
"Iron Blood and Dangerous Heart" is a song written by Tang Wai-hung, composed by Koo Ka-fai, and sung by Lawrence and Yanni, and it is the theme song of the 1983 TVB drama series "Legend of the Eagle Eagles Heroes", which is included in Lawrence's album "Legend of the Eagle Eagles Heroes", which was released on January 1, 1983.