thanks for the reply, I think what is happening is that the backing tracks ( Karaoke version ) provides, can be downloaded as a complete song with the intro click added, if you download as a complete song and do not separate the tracks then when you input to stage traxx the intro click is present in time, its only when you separate the tracks that the intro click does not mesh. It seems stage traxx wants to start all tracks in the song at the same time, so if the pre count intro click is added as a part of the song then subsequent tracks want to start at the same time as the intro click , hence the sync issue