{ Artist => { line_index => score } { 'David Hockney' => { '2' => 1 }, 'David Lynch' => { '2' => 128 }, 'Francis Blake' => { '0' => 1, '1' => 1, '3' => 1, '4' => 2 }, 'William Blake' => { '0' => 256, '1' => 1, '4' => 3 } };