唱歌

唱 = 口 + 昌 : The lancelet (昌) finds Charlie Chaplin (ch) singing (唱) loudly while taking a shower in the anglepod's bathroom (ang4). The lancelet is extremely annoyed by the singing an stuffs a mandarin (口) into Charlie Chaplin's mouth (口) to make him stop.

歌 = 哥 + 欠 : Guy Fawkes (g) lost a bet to his elder brother (哥) Godzilla (哥), who is waving with the IOU (欠) note Guy Fawkes signed when they made that bet. Now he'll have to sing a song (歌) to Godzilla in front of the elevator (e1).