Valeria, 23, discovered she could see colours and feel textures when listening to music as a child. She has a condition called synaesthesia.
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Synaesthesia is a neurological trait that results in a joining or merging of senses that aren’t normally connected. Now a singer and pianist, she says it’s helped her to become a better musician.
Listen to more on the weird and wonderful world of the senses: https://www.bbc.co.uk/programmes/p035w97h/broadcasts/upcoming