Electronic music producer Derwin Panda developed his sound in his hometown of Chelmsford, Essex, as he worked day jobs in record shops and adult bookstores while making music in his studio at night. The resulting tracks that comprised his breakout 2010 debut, Lucky Shiner, rejiggered hip-hop’s boom-tick with exotic timbres, vibrant keyboard hues and minced vocal snippets — redolent of Four Tet, if slightly more caffeinated.