The minor pentatonic scale is a much used scale by musicians in many genres, from blues to rock, and if you are just starting to learn soloing and how to improvise, learning the 5 positions of the minor pentatonic scale will be invaluable to your efforts.
I always recommend that my students learn the minor pentatonic scale forms as a first step in learning improvisation. You probably know the first form already, which can, by itself, be used to make up nice sounding riffs and improvised solos. But learning the other 4, altogether 5 minor pentatonic scale positions will allow you to move along the fretboard to wherever you want, whenever you want, and produce some truly outstanding solos.
Don't take my word for it, listen to BB King albums, Clapton songs, and a bunch of other artists. They all use the various shapes of the minor pentatonic, so should you. Here are the positions of the minor pentatonic: Read more