Slapping and popping

 This is a technique that you will most often find in funk oriented tunes. The 2 basic ideas involved are the slap, and the pop. A

A slap is where you snap a string with your right hand thumb, thus produce a sound from the force of hitting the string. This is often indicated by an S underneath the note.

G:----------
D:----------
A:----------
E:---3--3---
     S  S

A pop is where you use your right hand index finger to snap the string. You pull the string up, and let it snap back down against the fretboard of the bass. A pop is indicated by a P placed underneath the note.

G:----------
D:---3--5---
A:----------
E:----------
     P  P

Reference Lessons

For more information on slapping, check out these lessons.

Classic Internet Slapping Lessons

Lesson #1
Lesson #2
Lesson #3