Adam Mullen, owner of Lumo Station, has been writing music for the popular DC Animated Universe focused YouTube channel, the Watchtower Database. Adam's music can be heard is nearly all of the channel's videos being used as theme music for their podcast "12th Level Intellects," their popular segment "The Vanishing Point," as well as essay videos. The music is composed in the spirit of the original music found in the original animated tv shows that dominated the 90s and early 00s with shows like Batman: The Animated Series & Justice League. Adam's music is also used for teaser trailers for the "Legacies of the DC Animated Universe" webcomic hosted by the Watchtower Database. You can find them on Patreon.
Here's a few videos: