Its the chords and kind of the vibe the song gives. basically chord progression that has a pleasing effect.
B.) Some show subjects used in ancient Egyptian art
Explanation: sorry if it is wrong
Dig, Diamond, Dentist, Dumb, Destroy, Deaf, Death, Die, Deep, Dark, Dog, Dragon, Drag, Doughnut, Dutch, Dolphin, Dad, Doe, Deer, Donate, Draw, Drew, Different, Dazzled, Drizzled, Drip, Dripped, Daily, Dynasty, Duckpin, Duck, Duckling, Dubbing, Do, Does, Dome, Dan, Den, Dell, Dive, Dived, Done, Dumpling, Dozen, Dozens, Doze, Dash, Dashed, Doodle, Dock, Docked, Dip, Dipped