If you are a fan of Judas Priest, Motorhead or Black Sabbath then you are in for a treat with Robyn Krystal's “Heroin”. It has all the makings for a rock classic with the shredding of guitar and the hard hitting percussion. “Heroin” is the description of a particular female who might be some form of exotic dancer or just some siren in the bar who isn't afraid to dance in the public eye. The beginning of “Heroin” sounds like something you'd get from Black Sabbath as the vocalist has a bit of that Ozzy vibe. Robyn Krystal is far from a copycat as it's obvious that Krystal is creating their own type of music. The production quality is professional and sounds like something that Nikki Sixx would introduce on the radio. For those who like their rock a little harder so that they can turn the volume up a little louder you will want to make sure to give Robyn Krystal a play through.