Prayers To Devaki's Womb: How the Devas Prepared For the Arrival of Krishna

If you knew the Supreme Lord Himself was set to appear, in a specific area, at a specific time, how would you behave?  If you were a supporter, if you wanted to be counted as someone on His team, what would you say?  Would you feel compelled to say anything or would you simply remain silent?  If you knew the exact time and location of His appearance, in the strangest of settings that is the prison cell in Mathura, how would you approach the situation?  What would you say to the expecting mother, the blameless Devaki?