A presentation system is disclosed for synchronizing a performance of a
plurality of presentation content portions at a network node, wherein,
e.g., when two such content portions are to be presented concurrently at
the network node, at least one is delayed until the other such portion
can be presented concurrently therewith. That is, these two portions may
be received by the network node at times sufficiently far apart so that
the earlier received content portion must have its presentation
appropriately delayed in order to be presented concurrently with the
second content portion. In one embodiment, the content portions are
transmitted via at least a portion of the Internet to a plurality of
network nodes, wherein the presentation system can distribute the
presentation content data to the network nodes via a plurality of network
routes and presentation formats.