Emer Maguire explores the science of music and the music of science. Why do certain chords make us feel happy or sad? How do algorithms playlist our favourite tunes? And can music really improve our health?

This week, Emer meets Canadian rapper Baba Brinkman, harmonises with the staff well-being choir at Queen's University and joins a music therapy class in Belfast city centre. Plus, Emer wonders if playing the guitar make you more attractive as she pens a special song for St Valentine.
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