Mike Eli of the Eli Young Band was there to watch his wife Kacey give birth to the couple's first child on July 30. The little girl -- Kline Olivia Diaz -- weighed in at 6 lbs and 15 oz.

“They tell you about this feeling that is beyond comparison…” Eli told People, “and the moment Kacey and I laid our eyes on little Kline we understood it’s absolutely the coolest thing ever!”