[2] Its name is derived from a play on hi-so, Thai slang for socialites and the upper class (from English 'high society'),[3] and is meant to reflect the group's humble origins.
[2] They developed an original sound of fusing guitar-driven indie music, a style previously explored with rock band Carabao, with traditional Thai melodies and rhythms.
[5] Loso achieved unexpected mainstream success in Thailand with their second album Entertainment, described as being a "record for the Thai industry", having sold over two million copies.
[2] During his time studying electrical engineering at Nakorn Sawan Technical College, Sek performed in various pubs across provinces and played for a band named "Diamond", where he met Apirat Sukchit, commonly known as Ratt, a fellow musician.
[2] Their initial attempts to secure a record deal were met with repeated rejections due to their unconventional image and music style, which differed significantly from the prevalent pop and rock trends.
[2] Inspired by the grunge rock movement, particularly bands like Nirvana, Loso aimed to capture a similar raw, powerful sound while incorporating elements of heavy metal.
[2] This approach was evident in songs like "คน" (Khon), which showcased a heavy metal edge, and the grunge-influenced tracks that resonated with the Seattle sound reminiscent of Nirvana.
[2] Sek's versatile guitar work and vocals were central to the album's sound, while Yai's drumming and Rath's bass playing provided the solid foundation necessary for their grunge and metal fusion.
[2] Despite relying solely on posters and word-of-mouth for promotion, the band's blend of rock music and street-smart lyrics resonated with audiences.
[3] Following its release, the album received extensive airplay on radio stations nationwide, generating multiple local hit songs, even without significant promotional efforts.
[14] After returning to Thailand, Sukpimai released a special album with Thongchai McIntyre ("Bird") titled Bird-Sek in 2004, to celebrate the 20th anniversary of GMM Grammy.
[14] Following Loso's breakup, Khotkam and Sukkhajitr formed the band Fahrenheit together with Pichet Krueawan, a guitarist and former members of Y not 7, and Piraporn "Zai" Prampanas as lead vocalist.
[2] The raw, emotive sound of grunge, characterized by its heavy guitar riffs and introspective lyrics, resonated deeply with the band members.
[3] This influence is evident in their music, which combines powerful, distorted guitars with conscious lyrics that explore personal and emotional themes.
[5] The band's ability to blend Western rock styles with Thai sensibilities contributed to their distinctive sound, making their music accessible and relatable to a broad audience in Thailand.
[2] The album not only broke new ground for alternative rock in Thailand but also achieved commercial success, with over a million copies sold and multiple re-releases.
[2] Their music provided a new, relatable voice for Thai listeners, moving away from mainstream pop and exploring more raw, authentic expressions of emotion.