L-tone, a band composed of Nico Nico Douga users note and luna, made their debut in the summer of 2010. They primarily create rock songs with Kagamine Rin and Len as the vocalists, though they frequently use GUMI and IA, and on occasion Hatsune Miku and Lily. L-tone has released a total of four albums with two disks each, twelve songs on each disk, coming to a total of 24 songs on each CD. Their most notable works include “Flor Sign” featuring Rin, Len, and GUMI; “morning shift” featuring Rin; “Logic Gear” featuring Len; and “Fuzzy Decrescendo” featuring Rin.