All forms of suspended chords should be in your jazz theory and jazz arranging vocabulary. Suspended chords are used in a variety of ways and, when used in reharmonization of a tune, they work great for helping to delay resolutions and they help promote nice inner voice movement as well. Suspended chords have a unique sound that is used in a variety of jazz styles.
This video will show you how to construct simple and more advanced suspended chords. It will also show you how to notate suspended chords as chord symbols, and how to “voice” a suspended chord for 5 instruments that sounds great.
Download sus chord practice sheet here
Download sus chord answers here (after you have done the practice sheet. Please note: there is not one correct answer to the voicings, just the most probable one)