José M. Iñesta is a Professor in the Department of Software and Computing Systems at the Universidad de Alicante, Spain.

Darrell Conklin is a Professor in the Department of Computer Science and Artificial Intelligence at the University of the Basque Country.

Rafael Ramírez-Melendez is Associate Professor in the Music Technology Group in the Department of Information and Communication Technologies at the Universidad Pompeu Fabra, Barcelona, Spain.

Thomas M. Fiore is Associate Professor of Mathematics at the University of Michigan-Dearborn, MI, USA.