Possible Clues:

• That's E being tiny with T
• The existence of a songbird in Eastern state
• Something having distinct existence
• Anything that exists
• Being in torment, it yelps
• Being and having a yen about a little bird
• ET getting tiny and being like that
• That's being you that's turned up about the tint that has been mixed
• Being ET and a tiny bit more
• A separate thing, it appears, in final parts of the main event, say