BIGBANG is renowned for their trailblazing music, electrifying performances, and exceptional versatility. While their discography boasts numerous hits that have dominated charts worldwide, it's their Original Soundtracks (OSTs) that showcase yet another dimension of their musical prowess.

BIGBANG's foray into the world of OSTs has enriched the soundtracks of numerous dramas and films. Check some of them out below.

1. Hi Haruka – T.O.P

Who can resist the charm of a rapper lending their voice to a melodious tune? Among the treasured OSTs cherished by VIPs, "Hi Haruka" reigns supreme. It serves as an OST for the 2015 Japanese series "Secret Message," starring none other than the charismatic T.O.P. His vocals seamlessly blend with the melodic arrangement, creating a heartfelt emotion.

2. Friend – T.O.P & Taeyang

The 2009 television series "Friend, Our Legend" stands out not only for its compelling storyline but also for its memorable OSTs, particularly the song "Friend," performed by T.O.P and Taeyang. The track perfectly captures the essence of friendship, echoing the themes explored in the series itself.

3. Because – T.O.P & Seungri

Released in 2010, “19 – Nineteen” stands as a remarkable South Korean-Japanese cinematic creation, showcasing the exceptional talents of T.O.P and Seungri in its lead roles. This collaborative endeavor extended beyond acting, as the duo also lent their voices to an evocative OST titled “Because.”

4. Lunatic – Daesung

Kang Daesung, the talented and renowned vocalist of BIGBANG, lent his voice for the soundtrack of 2011’s drama series “What’s Up.” The OST titled “Lunatic” adds depth to the series, capturing the essence of the character's inner conflicts and aspirations. "Lunatic" weaves seamlessly into the storyline, leaving a lasting impact on fans.

5. We Run Dis – Seungri & PKCZ

"We Run Dis," a soundtrack of the 2016 Japanese action film "HIGH & LOW THE MOVIE," showcases the electrifying collaboration between Seungri and PKCZ. Fueled by an infectious blend of hip-hop, electronic beats, and intense energy, the song perfectly complements the film's high-octane action sequences and atmosphere.

6. Faded – Seungri

"Love Only" is a 2018 Chinese film starring actors and actresses from Korea, Taiwan, Hong Kong, and China, including Seungri. The movie spreads love and positivism through several stories about love and friendship. Seungri also contributed his voice to one of the soundtracks titled "Faded." His melodic voice infuses the song with raw emotion.

7. Hallelujah - Big Bang (IRIS OST)

One of the biggest K-pop groups of 2009 made a hit song for one of the biggest dramas of the same year. T.O.P also starred in 'IRIS' in the role of Vick.

These OSTs not only showcase BIGBANG’s musical adaptability but also illuminate the multifaceted nature of their artistry. BIGBANG's OSTs provide a harmonious connection between their music and the storytelling magic of dramas and films.