The "5" chord, often referred to as the power chord, is a staple in rock, punk, metal, and various other genres due to its straightforward and powerful sound. This chord is built using only two notes: the root note and the perfect fifth. It lacks a third, making it neither major nor minor, which contributes to its versatile and neutral sound. Guitarists often play power chords with distortion to amplify their impact. On the guitar, power chords are typically played using just two or three fingers, making them relatively easy to master and move across the fretboard, especially when employing barre chords. This chord is an excellent choice for beginners and experienced players aiming to add depth and energy to their music.