What is the fine-grained topic of the following text: The show billed as ‘Songhoy Blues presents ‘Music in Exile’ – a celebration of music from Mali and beyond’, also features a performance from special guest FATOUMATA DIAWARA, Blick Bassy, United Vibrations and Dave Okumu (The Invisible) DJ set. Only return the topic.
"Songhoy Blues presents 'Music in Exile' show featuring performances from various artists"