Released in 1973, Grinding Stone was Gary Moore"s solo debut. The music on this album could be described as experimental boogie rock, but on the album Moore explores a number of styles, from the title track"s instrumental boogie rock to soulful vocals in "Sail Across the Mountain" and 17 minutes of guitar and keyboard excursions in the surprisingly funky "Spirit." Often cited as an overlooked gem and totally ahead of its time, Grinding Stone showcases Moore at his most experimental, mixing up styles and a taste of the triumphs that followed with his work in Colosseum II & Thin Lizzy