These pieces were written by taking a short theme and developing it in three sections, each section adding more complex ornaments and rhythms as it progresses.

At the same time, Colombian salsa adds something new: musical elements and rhythms from the country's smorgasbord of indigenous sounds.

Dragpipe experiments with a variety of styles, occasionally adding syncopated rhythms to keep things interesting.

As the clogging style has evolved over the years, many localities have made contributions by adding local steps and rhythms to the style.

Over time, alalas have adapted to include choral polyphony which has added harmony and rhythms (most typically in 2/4 or 3/4 time) to the tradition.

OAS improves on prior organ interfaces by allowing the user to add sounds, rhythms, third party programs and future software enhancements without changing hardware.

This instrument is primarily "textural"; that is, it is intended to add ambient sounds and rhythms rather than melody or harmony.

The didjeridoo creates a low note and mobile high overtones, adding rhythms with the player's gulping breaths and sometimes breaking into rough upper notes.

An intriguing group that emphasizes the odd angles in its deceptively gentle songs by adding electronic noises and rhythms.

Workmen repairing a stone fountain add strange syncopated rhythms with their chisels.