* re-uploaded
* You can see each songs' live at:
First Time (처음인가요): http://www.vlive.tv/video/6343
Candy (사탕):    • Red Velvet (레드벨벳) - 사탕 (Candy) Live @...  
Somethin Kinda Crazy:    • Red Velvet (레드벨벳) - Somethin Kinda Cr...  
Oh Boy: http://www.vlive.tv/video/2239

They're from:
1. Fool Live: 160902 Super Junior's Kiss the Radio - Youtube KBS KONG (   • Red Velvet 레드벨벳 "FOOL" 160902 [슈퍼주니어의...  )
2. Wish Tree (세가지 소원) Live: 151225 KBS Music Bank (   • Video  )