Labels, promoters, and artists across drum & bass are joining the music industry's fight to equalise opportunities for women and people of colour. I spoke to major players in the scene - DJs Mantra, Sweetpea, and Flight of EQ50, Nikki Ellis of Hospital Records, and DJ BCee of Spearhead Records - about why drum & bass today struggles with gender and race, and what can be done to diversify lineups and crowds.