七聲音階

七 = 一 + 乚 : Mnemonic symbol: the Seven-Branched (七) Laser Sword. The Queen of Hearts (qi) is testing her new Seven-Branched Laser Sword (七) in front of the space station (Ø1). She's slicing flutes (一) and shovels (乚).

声 = 士 + 尸 + 丨 : Sherlock Holmes (sh) hears the terrifying sound (声) of bone (丨) on stone in front of the engine ((e)ng1), and he's sure that there must be a ghost (尸). Indeed it's only the bachelor (士) who wants to scare Sherlock.

音 = 日 + 立 : Mnemonic symbol: a loudspeaker.

音 = 日 + 立 : Maud Younger and the Sun opened a pop-up store in front of the encampment. They sell vases and advertise them using loudspeakers, playing loud music and dancing to it.

阶 = 介 + 阝 : The pope (阝) sentenced Joan of Arc (ji) to death and wants to shoot her to outer space using a rocket (介) in front of the elevator (e1). He doesn't have a proper launch ramp, so he just uses some stone stairs (阶).