|Microsoft DirectX 9.0|
When bands from different segments are downloaded to the same port, instruments in band can overwrite data from a previously downloaded band.
For example, suppose segment A uses a band that assigns a piano to patch number 1, and segment B uses a band that assigns a banjo to the same patch. The application calls IDirectMusicSegment8::Download first for segment A and then for segment B. Even though the bands might be downloaded to different audiopaths, the instrument data is downloaded to the same synthesizer, so any note on a
This potential for patch collisions must be taken into account when the content is authored. Different segments should not use different instruments with the same patch number.