The line to get into the sold-out venue on Route 1 — made up of a diverse crowd, from young children and their parents to University of Maryland students — wrapped around the block, drawing attention from passers-by wondering aloud who was performing.The answer was Kero Kero Bonito, the British indie pop band led by half-Japanese singer Sarah Midori Perry. Their carefree and unique music is known for its video game beats, bi-lingual lyrics and seemingly silly subject matter.