This article describes the development of "Bande à Part", a mobile music application (app) for second language (L2) learners of French. Our focus on the pedagogical use of music results from the reported benefits that it offers language learners (e.g., it encourages repetitive exposure to the L2 in an enjoyable way, it extends the reach…

The seminal work by Ericsson and Simon established verbal reports as a genuine way to get a glimpse into the "black box" of the workings of the human mind, and it is now recognised as a method of value in the pursuit of new knowledge relating to, for instance, learner strategies, cognitive strategies, human-computer interaction, and functionality…