A new track speedbass is out ! It's kind of a blend of a lot of weird things into drum and bass 😁 hope you will like it !

Cookies Slayer, Select Username - Speedbass

175+!

Soulful, Deep, Dancefloor, Neurofunk, Hard,  Drum & Bass Dj from Slovakia/Košice, currently living in Czech Republic/Prague

Part of BrokenBase Crew /Košice

Ended up 4th Newcommer and 8th Dj of the year in Czech & Slovak Drum and Bass Awards 2018
Nominated as dj of the year in Czech & Slovak Drum and Bass Awards 2019 and 2020.

Book me via: viliambackside@gmail.com

Select Username is a side project from Cookies Slayer  focused on bass music and high BPM, delivering hard-hitting tracks with a good dose of humor. Born from a passion for pushing the boundaries of electronic music, this project is influenced by artists like Sinister Souls, G Jones, Eprom,  Burr Oak, Counterstrike or Current Value

🐷THE CRAZY PIG BOII🐷 
🌈HARDMUSIC LOVER🌈

Cookies Slayer is a French Psytechno live act and sound designer based in Montpellier. His music blends techno, psytrance, acid techno, dark progressive and experimental styles, often shaped by world music elements and unconventional structures. Through this psytechno project, he explores a personal trajectory within the underground electronic scene.

His tracks combine original sound design with processed samples, built around rhythmic shifts, textural changes and non-linear structures. 303 patterns, broken arrangements and contrast are key elements in his work. With a background in audio for film and games, he composes with precision, focusing on detail, structure and sound quality.

He performs primarily live, reconstructing his own tracks on stage. His sets move between dark peaktime techno, psytechno and psytrance, offering a personal and fully crafted performance.

Under the alias Select Username, he explores the faster and more abrasive side of his sound, producing crossbreed, drum & bass and hybrid bass music. The project focuses on raw intensity and high-BPM.

He also runs 303BPM, a label supporting experimental approaches to electronic dance music. It supports artists who prioritise sound design, work across genres, and build music that remains both unconventional and effective on the dancefloor.
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Available for booking mail me :)

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AlvinTep, an emerging artist on the French psytrance scene, fuses hypnotic sounds with captivating rhythms. Passionate about music since his youngest age, he found his identity in the psychedelic universe, it was in 2021 that he launched into production creating immersive tracks that transport the audience on a unique sound journey.

In 2024 he joined the German label Galama Records and created the Happsyness association with which he organizes Psytrance events in Strasbourg.

Musical Style:

His progressive approach is characterized by ethereal melodies, deep bass and meticulous constructions with a touch of acid that captivate the audience. AlvinTep plays with emotions, mixing organic and electronic elements to offer a rich and transcendent auditory experience.

Performances:
On stage, AlvinTep is a true architect of sound. His dynamic and energetic performances create an instant connection with the audience. Whether at an outdoor festival or an intimate evening, he knows how to thrill the crowds and maintain an atmosphere of communion.

Influences :
Inspired by the pioneers of psytrance and the new waves of electronic music, AlvinTep also draws on various genres, thus enriching his musical universe.

Ready to conquer festival stages across Europe and beyond. Don’t miss the opportunity to experience his art live and let yourself be carried away by his captivating sounds!

He has already played with: Kalki, L-Xir, Luis M, Seb G, Acidpach, Apash, Miltatek

Music is part of my life, and a life without music would not be worth living! 🕉️

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Upcoming Gigs :

18.10.2025 - The World Before 3 @ Achern (Germany)
08.11.2025 - Happsyness Autumn @ (Strasbourg)
22.11.2025 - TBA @ Metz
29.11.2025 - XXX @ Mulhouse
19.12.2025 - Happsyness Winter @ (Strasbourg) W/


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Last Gigs :

2025 : 

13.09.2025 - L'oeil du Wagon 3 @ (Strasbourg)
08.08.2025 / 10.08.2025 - Festicoco @ Jura w/ Solitary Shell
05.07.2025 - Happsyness Summer w/ Neurotribe, Miltatek, Gittonk @ Le Wagon Souk (Strasbourg)
21.06.2025 - La descente de Nataraja @ XC6FF (Alsace)
20.06.2025 - Full Sun Party (Strasbourg) 
19.04.2025 - Happsyness Spring w/ Need One @ Le Wagon Souk (Strasbourg)
27.03.2025 - PDZ @ (Besançon)
01.03.2025 - Anderswelt @ Stuttgart (Germany)
15.02.2025 - The World Before 2 @ Theodore Noise Club @ Achern (Germany)
25.01.2025 - Tekno Shoot 4 w/ Tao H, Ketamane, Leks @ Molodoi (Strasbourg)

2024 : 

27.12.2024 - Happsyness Winter w/ OddWave (hadra) @ (Strasbourg)
20.12.2024 - Wake UP No Sleep w/ Ace Ventura, Hujaboy, Dr Peacook, Dave Clark, Paolo Ferrara @ Mille Club (Alsace)
30.11.2024 - The Time Before @ Theodore Noise Club @ Achern (Germany)
19.10.2024 - Happsyness Autumn @ (Strasbourg)
05.10.2024 - Drifter's @ Freiburg (Germany)
05.10.2024 - Autumn Galama Record @ Crash - Freiburg (Germany)
13.09.2024 - Techgnosis Records Showcase w/ Luis M, Seb G @ Strasbourg
15.08.2024 - Garden Familly 2024 @ (Alsace)
12-13-14.07.2024 - PsyFamilly Festival @ (Alsace)
29.06.2024 - Le Studio Saglio 31 st Festival @ (Strasbourg)
21.06.2024 - Happsy Gourmand @ Barr
07.06.2024 - Happsyness Summer w/ Apash, Acidpach, Miltatek @ Le Wagon Souk (Strasbourg)
05.04.2024 - Psytrance Revolution @ SoCrazy Club (Strasbourg)
08.03.2024 - Happsyness Spring w/ L-Xir (hadra) @ SoCrazy Club (Strasbourg)

2023 : 

09.09.2023 - Psyvibes #7 w/ Kalki @ Molodoï (Strasbourg)
18-19-20.08.2023 - Before Manon @ (Orange)
19.05.2023 - FrenchTek 2023 (Villegongis)
08.05.2023 - Piratek 5 @ Elastic Bar (Strasbourg)

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[ ˈsaɪfə(r) ] .

Jukebox Loud & Dirty

Heavy Electro - Wobble - Filthy Bass
Hard Techno - Acid
& Many More

Make It Loud !