rudimental roll Your browser does not support the audio element. [ English ] Definition A variation of the multiple bounce roll that consists of two bounces from each stroke. Since it only has two bounces per stroke, it is also considered to be an open roll. The symbol "Z" shown on the stem or over the note on the designates the rudimental roll. See Also [English] drum rudiment [English] multiple bounce roll [English] multiple bounce roll rudiments [English] open roll Share Share on Facebook (opens in a new tab) Share on X (opens in a new tab) Last Updated: 2016-06-07 17:21:16