Note that there is always a pause between two songs.
I have exactly the same issue, appearing both in ACW and NCP.
I noticed that a song plays only one time, and remains mute if it fires another time.
In the french forum, Pocus said that they are waiting for more informations frome the music conceptor :
Pocus wrote:nous avons demandé des informations supplémentaires au concepteur de la bibliothèque de gestion des musiques.
By the way, what is your sound card ? I use on-board [SIZE="1"]nVidia nForce3 250Gb AC97 Audio Controller[/size].