Instruments from all families are represented including aerophones, membranophones, idiophones and chordophones. The songs in this CD/DVD are accompanied only by chordophones and violins. Chordophones and aerophones are less common in traditional Zambian music but exist nonetheless. The term "harp" has also been applied to many instruments which are not even chordophones. What many would call string instruments are classified as chordophones. There are five groups of sub-Saharan African musical instruments&colon; membranophones, chordophones, aerophones, idiophones, and percussion. Chordophones are stringed instruments like harps and fiddles. Struck chordophones are sometimes generically referred to as being in the "hammered dulcimer" family.