If I break it down, it becomes "X", "Air", and "I'm".
"X" reminds me of X marks the spot. A treasure, truly. 1/1
"Air" is a soft, elegant sound. 1/1
"I'm". Hmmmmm. What am I? Encourages philosophical conversation. 1/1
So in total, it's 3/3 + 1 point for the sheer number of interpretations. 4/3