Happy Box Part.1

"Happy Box Part.1"
Artist	SONAMOO
B-side	"So Good"
Released	August 14, 2017
Format(s)	Download, streaming
Recorded	2017
Genre	Dance
Length	4:38
Label(s)	TS Entertainment
Distributor(s)	Kakao Entertainment
Credits
Writer(s)	Park Soo Seok, Park Eun Woo (Track 1) Misfit, New Sun (Track 2)
Composer(s)	Park Soo Seok, Park Eun Woo (Track 1 & 2) Bong Won Seok (Track 1)
Arranger(s)	Bong Won Seok (Track 1) Park Soo Seok (Track 2)
Release chronology
Previous	"I Think I Love U"
Next	"Happy Box Part.2"

"Happy Box Part.1" is the first digital single by SONAMOO. It was released on August 14, 2017 with "Friday Night" as the single's title track. It is the first of their three-part "Happy Box" project.

Track list

1. "So Good" - 1:19
2. "Friday Night (금요일밤)" - 3:19

Video links

• "Friday Night" music video
  • M/V trailer
  • Lip ver.
  • M/V behind
• "Friday Night" dance practice
• "So Good" dance practice
• "Friday Night" fanchant guide