Minor pentatonic scale on the guitar. Understanding the Formula The minor pentatonic scale is a five-note scale. Its formula is the root (1), minor third (b3), perfect fourth (4), perfect fifth (5), and minor seventh (b7). It's called "pentatonic" because it has five notes and "minor" due to the minor intervals. #learnguitar #playguitar #sirguitar#guitarlesson#sirsguitar#guitarteacher#guitarlesson #guitarlessons #guitartec #guitartutorial #GuitarProgression #gitarisina #gitaristv #strumming #gui