The first person picks a random word and the next person has to say the first line of lyrics that pops into their head (no matter what the song is). They then give another random word for the next person.
Player 1: Rain
Player 2: I can see clearly now, the rain is gone! Bubble
Player 3: Take a bottle, break it up, break the bubble, break it up! Rock
You can also use a related word, if the given word is 'wonder' you can use 'wonderful'