on March 2014 DGNA with other artists (Jung Junho, Sa Yuri, Park Sangmin , So chanhee and Lee Jung) sang song by Kim HeungKook titled 'Samba World Cup' . 

credit news: Cosmorion

credit video : youtube. 

Author's note: I cannot find the song sang by the artists so here is the link to song sang by Kim Heung Kook