Atomic Weight is a compilation album featuring various artists and genres. The album is a perfect mix of electronic, pop, and indie music. The album opens with the catchy and upbeat "Another Day" by electronic artist, Echos, featuring vocalist, Kazukii. The song sets the tone for the rest of the album, as it is followed by the dreamy "All My Love" by indie artist, Tim Schaufert, and the ethereal "Grounded" by electronic producer, Memba.
One of the highlights of the album is the track "So Long" by pop artist, LeyeT. The song is a perfect blend of pop and electronic music, with LeyeT's vocals soaring over the pulsating beat. Another standout track is "U" by indie artist, Nohidea. The song is a beautiful instrumental piece that showcases Nohidea's skill as a producer.