雷同二友 is a Taiwanese indie folk duo formed in 2015. The band consists of vocalists and guitarists Chen Hung-yu and Chen Hung-wei. Their music is characterized by its acoustic guitar-driven melodies, introspective lyrics, and harmonies. 雷同二友 has released several albums and EPs, including "自游生物" (2022) and "靈魂有路" (2021). Their songs often explore themes of love, loss, and the search for meaning in life.