Thunderbird Thunderbird – All: http://bodyofsound.org/wp-content/uploads/2013/05/ThunderbirdALL.mp3 Thunderbird – Soprano: http://bodyofsound.org/wp-content/uploads/2013/05/ThunderbirdSOP.mp3 Thunderbird – Alto: http://bodyofsound.org/wp-content/uploads/2013/05/ThunderbirdTUNE.mp3 Thunderbird – Tenor: http://bodyofsound.org/wp-content/uploads/2013/05/ThunderbirdTENOR.mp3 Thunderbird – Bass: http://bodyofsound.org/wp-content/uploads/2013/05/ThunderbirdBASS.mp3