"Wiedoeft™ Bass Rosin is by far the best rosin I have ever used. It has a grip that is perfect and a clarity of sound that is unparalleled. When playing in a section all using this rosin, there is a very noticeable improvement in sound quality and even intonation due to the clarity of tone that the rosin enables. Wiedoeft™ Rosin has held up to everything from unbearably hot conditions in the summer to cold venues in the winter months. It has not once melted or lost its shape and sounds great in any climate condition. I'm very happy to be using Wiedoeft rosin.