Kazusky Tomrock的首张Vocaloid单曲《Fossil Rockstar of The City》由初音未来担任主唱 GUMI（Megupoid）提供背景和声 这是一首电子流行歌曲 突出了奇幻和水晶般的钢琴与合成器音效Kazusky Tomrock's first vocaloid single,"Fossil Rockstar of The City" features Hatsune Miku on main vocals and GUMI (Megupoid) on background vocals. It's an electro-pop song that emphasizes fantastical and crystalline piano and synth sounds.