The Grindstone Sinners are a five-piece rock band from Orlando, Florida. Heavily influenced by the spirit of 60’s rock-n-roll, they write and perform their own songs. Known for electrifying live performances and infectious original songs they are quickly acquiring a loyal fan-base in the Central Florida area.

-Grindstone Sinners were awarded the 2018 Singer Songwriter Showcase of America Best Band of the Year Award.

-Grindstone Sinners have been featured on 104.1's The Phillips Phile. Jim Phillips was amazed by how powerful their music was.

-Grindstone Sinner's guitarist, Jay Umlauf, was the 2017 Winner of the Singer Songwriter Showcase of America Award for Best Musician of the Year.