Hello. I figured out an analogy: A dish-washer machine has racks shaped for holding different type of dishes. There is a place for cups and glasses and a place for plates. To a place meant for a cup, one can put a glass, a bigger glass, a plastic cup, a coffee cup. I want make "dish racks" for percussion rhythms. I don't want force what percussion sounds one eventually uses. In a sequencer or an audioeditor I could set snap-to labels or marks. E.g., a "dum" label for a bass percussion. Then I would save these label sequences to files. A musician could select and load these label sequences and snap-to the sounds to the tracks. MIDI is good in that one could easily change the instrument assigned to all "dum" labels -- in the case where all "dum" sounds are the same. But we often want have slightly different sounds on each "dum". MIDI is also good when we want test different rhythms quickly. Maybe a hybrid system would work better: Named Snap-to labels and the sounds assigned to the names. First, musician sets sounds to "dum", "tak" standard labels. Second, musician finds the needed rhythm. Third, musician renames the labels and assigns different sounds to the new names. Old names could stay the same if musician wants to test some other rhythm with the original default sounds. Two utils are needed: the label track and a name-vs-sound list: ------------------------- dum tak dum tak tak ------------------------- dum bdrum.wav tak snare.wav Musician may add a new name manually to the list and rename the labels, or may snap-to a sound to the track. I would have implemented such a tool to Audacity but Audacity's label track is not good because the labels cannot be edited. Only the track "tape" under the labels can be edited: e.g., if one cuts out a piece from the beginning, the whole rest of the tape moves forward and the label timings are lost. Also, I could only add labels not remove or move them. We should standardize the rhythm format so that the rhythms could be used in any software. So, how to fit the above ideas to existing systems? Not everyone want use purely my system, I'm sure. Regards, Juhana