Theon Cross is a stunning tuba player, a member of Mercury-nominated group Sons Of Kemet, and a central figure on London’s new music scene. He’s also just released a solo album full of inventive ways of processing and extending the tuba’s sound, while drawing on Caribbean music, grime, jazz, and the city’s spoken word scene.  He and his quartet offer live, instrumental versions of some of those songs for the Soundcheck Podcast.