bool MIDIFileReadMultiTrack::mf_keysig ( MIDIClockTime time, int c, int v ) // VRM
{
    MIDITimedMessage msg;
    msg.SetTime ( time );
    msg.SetKeySig ( ( unsigned char ) c, ( unsigned char ) v );
    msg.SetDataLength( 2 ); // VRM
    return AddEventToMultiTrack ( msg, 0, cur_track ); // VRM
}
 void    MIDIFileReadMultiTrack::mf_keysig ( MIDIClockTime time, int c, int v )
 {
   MIDITimedMessage msg;
   
   msg.SetKeySig ( ( unsigned char ) c, ( unsigned char ) v );
   msg.SetTime ( time );
   
   AddEventToMultiTrack ( msg, 0, cur_track );
 }