Live at Piedmont Park is a live album and video release by the Dave Matthews Band from a 2007 benefit concert in Atlanta. The concert was held at Atlanta's Piedmont Park in front of an audience of over 80,000 people to raise over US $1 million of a US $42.5 million project to expand 53 acres (210,000 m2) of the city's park. Also performing that day were the Allman Brothers Band. The performance featured guest appearances by Warren Haynes on "What Would You Say" and Gregg Allman on "Melissa." The concert featured many old songs such as "Don't Drink the Water" and "Two Step", but also introduced the first released recordings of: "#27", "Cornbread", and "Eh Hee".