for everyone who ask the guitarist is, his name is Jung Juk Jae. he was on begin again 3 second team (taeyeon, paul kim, jukjae, hyunwoo, leejuck) and well-known as taeyeon and iu’s guitarist at their concert. but he is a singer-songwriter too! pls check begin again 3 eps 7-10 and 14-16 he’s really talented!
He’s also a guitarist for Sam Kim and he has been a part in Sam Kim’s 1st album Sun and Moon, 7 of 8 singles in this albums he was in! He has composed and arranged many songs for many korean artists, AKMU is one of those. you guys can google it! Plus! He will release the new single ‘No,thanks’ ft. ZionT Today!! (06/14) 6PM KST! please give him a lot of support!