Songs
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1
Back To December
2
Fortnight
3
Cruel Summer
4
LIVE LAUGH LOBOTOMY
E
5
SAD TODAY
E
Albums
HAPPY SADDERDAY!
2024
YESTERDAY FOREVER! (SPED UP!)
2025
YESTERDAY FOREVER!
2025
HAPPY SADDERDAY! (SPED UP!)
2024Singles & EPs
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substance
Single • 2025
That's So True
Single • 2025
Fortnight
Single • 2024
HOLY SMOKES (feat. Monique Smaz)
Single • 2025
YESTERDAY FOREVER (feat. Wesley)
Single • 2024
SOUR SWEET GONE (feat. Luke Bodine)
Single • 2024
I'M HAPPY (JUST IN CASE) (feat. Chloey Indica)
Single • 2025
STOCKHOLM SYNDROME
Single • 2024
2095 (feat. John Harvie)
Single • 2025
Will I Ever Get Better?
Single • 2024Videos
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Back To December - Riot House, Jack The Underdog, & ENZI
Riot House • 11K views
Jack The Underdog - Monster
Kontor FM • 8.3K views
Loveless Generation (feat. Ventaria)
Caslow, Jack The Underdog & Sierra Annie • 96K views
Levi Sampson-Workman - "Hold On (You)" | The Blossom Sessions
Blossom Sessions • 1K views
SBS Exclusive: Jack The Underdog performs "SAD TODAY"
Southbysole • 1K views
Haunted Too
Kuhr, CyFi, & Jack The Underdog • 238 views