Due to conventional jazz practices, the roles of instruments such as bass and drums are renowned as accompanying or background roles while piano, guitar and trombone adopt leading or foreground roles. Shadow - duos seeks to challenge these conventions by alternating between leading and following roles within each duo. As such, it encourages a different listening that is not aligned with conventional practice and illustrates how traditional accompanying instruments may approach leading roles. This exercise has been reduced to duos to further clarify leading and following roles. The simplicity and minimal instruction of leading and following aims to reveal particular stylistic tendencies or adversities towards the emergence or lack of structure and observe what intersubjective knowledge is drawn upon in both leading and following roles.