The Big Mammoth Festival – Chapter IV made the music fans of Kolkata kick off the New Year 2025 with a bang! The event took place on the 5th of January 2025 at Topcat CCU, Kolkata, India and it witnessed the music fans of Kolkata flocking to the venue to experience and enjoy a night of purely unfiltered, raw-music that has no genre boundaries. Whether you are someone who loves headbanging to some slamming death metal music, vibing to trap beats, or losing the self in progressive grooves, The Big Mammoth Festival – Chapter IV organised by Kolkata Metalheads indeed promised a sonic journey like no other for the energetic audience present in the event.
The bands who set the stage on fire:
The Big Mammoth Festival – Chapter IV delivered an outstanding lineup that kept the crowd on their toes, grooving, enjoying, headbanging and consuming the different varieties of music with arms wide open. Here’s the list:
- Pxrple Szn: The trap and new-school rap collective experimented with the emo and hyper-pop genres that resulted in electrifying the crowd to the bone.
- The Brutal Void: This melodic death metal group from Kolkata unleashed chaos with their latest lineup.
- Toxic 13 / Promise: This R&B trap duo enthralled fans with its hypnotic beats and soul-crushing lyrics.
- Banglar Thek: The experimental rap crew that energized the audience with their underground soundscape and relatable lyrics.
- Abstract Anomaly: Kolkata’s progressive metal super-project stunned the audience with outstanding arrangements topped with fiery lyrics.
- Fallen Letters: This alternative-progressive freshmen from Bangalore with over 200k Spotify streams in less than a year, mesmerized the crowd with their powerful performance.
- Estrotomy: A death metal trio from Darjeeling unleashed chaos with their crushing riffs and high-end vocals.
- The Blueberry Cupcakes: The alternative rock outfit from Kolkata took the audience down the memory lane with a fair share of covers and original music.
- D’erroRs: The melodic progressive death metal giants took the audience in an unforgettable journey through some hard-hitting melodies and excellent harmonies.
How did the crowd react to this year’s line-up?
The Big Mammoth Festival – Chapter IV in Kolkata witnessed a satisfactory footfall consisting of music enthusiasts from all walks of life and everyone seemed to enjoy themselves thoroughly. Additionally, the diverse lineup drew appreciation from the entire crowd, that resulted in uniting metalheads and music lovers alike. Thus the audience who were present in this gig, celebrated the city’s underground music scene of Kolkata with a lot of enthusiasm, thereby making the festival a standout event. Moreover, the response of the crowd was amazing to say the least in the sense that every member in the audience ensured to be an active part in the moment by participating voluntarily in the mosh pits and also headbanging and grooving to the wonderful music of the performing bands.
Let us take a look at the associate partners that helped The Big Mammoth Festival – Chapter IV reach up to its desired level!
Besides the super amazing performers The Big Mammoth Festival – Chapter IV ‘s success also relied upon the excellent partnerships which helped the event gain more reach on social media, thereby enhancing footfall. So, here are the brands/partners who associated themselves with the event:
Lizards Skin Tattoos and Calcutta Ink Tattoos kept tattoo enthusiasts busy with their unique designs while Garage Merchandise provided exclusive festival-themed items. Additionall support arrived from VIBRATIONS, Sinusoidal Music, and Caleidoscope Jam Pad & Studio. Furthermore, Topcat CCU and OFFBEAT CCU hosted the festival with their top-notch facilities and BOSHOW, ATYR, as well as AniPop added creative energy to the event with Times Musical acting as title sponsor.

What’s in store for the fans in terms of events by the organizers of The Big Mammoth Festival – Chapter IV ?
The Big Mammoth Festival – Chapter IV has till date redefined Kolkata’s underground music scene quite consistently with its previous three editions. The fourth edition certainly raised the bar high with its diverse lineup as well as a passionate crowd which was undoubtedly its lifeline. Fans are now eagerly waiting for future editions of this festival as it promises to continue growing and delivering unforgettable experiences. Kolkata’s metalheads have already set their sights on the next chapter of this iconic event.
Also read: 10 Indian Guitar Players to Check Out in 2025
Writer by the day, musician by night!