@article{lm2014metainstrumentand,
        title={Meta-instrument and Natural User Interface: A New Paradigm in Music Education},
        author = {Ludovico, Luca Andrea and Malcangi, Mario Natalino},
        journal = {International Journal of Teaching and Education},
        volume = {2},
        number = {4},
        publisher = {IISES},
        year = {2014},
        pages = {45--52},
        issn = {2336-2022}
}