MELOS ROSINS are tested to "function" effectively under any condition, for every single instrument. Especially, violin, viola, cello and bass rosins, are produced in two types, "light" & "dark". The "light" type is used more in high temperatures (spring or summer), for "smooth" playing or for solo in chamber music. The "dark" type is used more in low temperatures (autumn or winter), for full-tone playing, in an orchestra, or for great solo concerts. One can also choose based on his/her right hands' peculiarities and bow technique. Specifically for cello, on musicians' demand, we produce MELOS “sticky” Rosin. This product is softer and “bites” the strings stronger than MELOS “dark” Rosin. Mix it! A powerful effect of MELOS ROSIN The musician can mix different types of rosins to have the results he/she really wish. For example, a violin player can mix a violin MELOS “light” or “dark” rosin with a viola MELOS “light” or “dark” rosin. So, according to the hardness or softness of the cake, using MELOS ROSIN, musicians can have exactly what they really need, a warm, full, high quality sound.