Want to know the hardest way to host a radio show? Launch a new station from scratch. Sound crazy? No, what’s really crazy is that in 2019 there wasn’t a single female Black-owned radio station in greater Boston. Ownership matters, airtime matters. And it matters to Danielle Johnson. So two years ago this single mom hatched her first foray into entrepreneurship with Spark FM, a digital radio station bringing Urban and Caribbean music to residents of New England. At home she’s mom to an 8-year old with ADHD navigating remote learning, and somehow she still manages to carve out time for Girls Radio, a non-profit dedicated to mentoring and empowering young women in Dorchester through radio and other media.