33

2

Music Video

B1A4's Sandeul sings 'Grown-Up Diary' for 'Start-Up' OST

AKP STAFF
Posted by Germaine-Jay Saturday, November 14, 2020

B1A4's Sandeul is the voice behind "Grown-Up Diary" for the 'Start-Up' OST.

The music video follows the past and struggles of Seo Dal Mi (played by Suzy) and Nam Do San (Nam Joo Hyuk). "Grown-Up Diary" is a calm, acoustic track about growing into an adult but still having the heart of a child.

Listen to Sandeul's "Grown-Up Diary" above! Have you been watching 'Start-Up'?

  1. B1A4
  2. Sandeul
  3. START UP
0 4,299 Share 94% Upvoted

allkpop in your Inbox

THE TOP 10 STORIES DELIVERED DAILY
Lee Si Young
Lee Si Young deletes post after backlash for placing newborn daughter in “Christmas ornament” photo setup
2 hours ago      7,334
Lee Yi Kyung
MBC's 'Hangout With Yoo' releases official statement, apologizing to Lee Yi Kyung for the 'noodle-slurping' scene
9 hours ago      15,307
Park Si Hoo
Park Si Hoo announces legal action progress as police confirm charges and forward case to prosecution
19 hours ago      13,026
Lee Jae Hoon
'Taxi Driver' season 3 records the highest average viewership rating of any premiere for a drama in 2025
7 hours ago      4,402
Kim Woo Bin, Shin Min Ah
BREAKING
Shin Min Ah & Kim Woo Bin announce their marriage!
2 days ago      140,572
Hwa Sa, Park Jung Min
Hwa Sa’s 'Good Goodbye' re-enters charts at No. 1 thanks to explosive '46th Blue Dragon Film Awards' performance with Park Jung Min
27 minutes ago      956
After School, Nana
Nana and her mother injure armed intruder, police declare it “Legitimate self-defense”
1 hour ago      2,507
Lee Si Young
Lee Si Young deletes post after backlash for placing newborn daughter in “Christmas ornament” photo setup
2 hours ago      7,334
LE SSERAFIM
LE SSERAFIM receive an invitation to 'BlizzCon 2026', hinting at another possible 'Overwatch' collab
4 hours ago      1,938
Jaejoong
Kim Jaejoong's new boy group 'INTHE X Project' introduces all 10 candidates
5 hours ago      3,307
Lee Si Young
Lee Si Young deletes post after backlash for placing newborn daughter in “Christmas ornament” photo setup
2 hours ago      7,334
BTS, V
Top plastic surgeon ranks BTS V (Kim Taehyung) as the #1 K-pop Visual referenced by male patients
6 hours ago      6,652
LE SSERAFIM
LE SSERAFIM receive an invitation to 'BlizzCon 2026', hinting at another possible 'Overwatch' collab
4 hours ago      1,938
After School, Nana
Nana and her mother injure armed intruder, police declare it “Legitimate self-defense”
1 hour ago      2,507
Hyun Bin, Son Ye Jin
Hyun Bin & Son Ye Jin become the first married couple to win 'Best Actor' and 'Best Actress' in the same year: Was it just for buzz?
6 hours ago      5,271
New Message

SEND