Instruct: Classify Amazon reviews into positive or negative sentiment
Query: The best ever!

I have been playing brass instruments from tuba to trumpet since 1973. I am also a band director and get supplied with samples from many different companies. As you can imagine, I have tried MANY different types. This is the BEST valve oil I've used and I didn't even know it originally. I originally dismissed Alisyn simply because I had some "favorites" that I used instead of even trying Alisyn.However, I had an old student model Conn trumpet that I basically thought of as a "throw away". I cleaned it up but didn't need it any more and purely by "accident" lubed it with Alisyn. I put it in the attic (no heat or air-conditioning) and forgot about it for 8 YEARS!!I had a student that really needed a horn and I just happened to stumble across this old trumpet in the attic. I took it out of the case expecting it to be ruined (as it should have been) but instead the valves worked BETTER than I remembered and the horn played awesome! I couldn't believe my ears. A++ for Alisyn!