This rosin was created by Len "Pops" Manno, who played double bass with the Houston Symphony for 41 years. It is made in Houston, Texas where the rosin is hand-mixed in small batches for high quality control and clear purity, and finally packaged in an eco-safe, airtight container and sold by weight -- 1.13 oz. per cake. For over 40 years, it has been distributed to bass players worldwide!
This small family business keeps all precision factory equipment up-to-date to enable the original "recipe" to be adhered to exactly so that quality control is not compromised in any way. This assures that the rosin maintains the original characteristics that makes it such a desired rosin among bass players.
The rosin is very popular worldwide because it has unique qualities that enable the bow to really "grab" the string and make a very pleasing sound. So many of the players -- particularly symphony, ensemble, and solo artists -- use Pops' for this reason. Of course, the exact ingredients and the "recipe" are Top Secret.
Players report that it takes only a small amount of Pops' rosin on the bow -- only two or three swipes for every few hours of playing. Too much spoils the effect! The label reminds players to "Use Sparingly." Therefore, rarely does a player use the whole cake before replacing it with a fresh cake.
In fact, most professional players feel that the rosin is at its peak when it is newly made -- not very old. Although the rosin is always "good," once it begins to dry, harden, and become powdery, many of the players want a new cake. Environmental conditions can greatly impact the rosin. So, some professionals highly recommend that the cake be replaced every couple of months with a fresh one. But finding a fresh cake can be difficult!! Players know the difference between "fresh" and "older" rosin! Since the batches are no longer dated, players cannot know the age of the rosin offered for sale.