Carrie Underwood's "So Small" ("Carnival Ride") made her the first female to debut in the Hot Country Songs top 20 in 43 years. Robert Plant and Alison Krauss and Ween also have notable releases this

Carrie Underwood's "So Small" ("Carnival Ride") made her the first female to debut in the Hot Country Songs top 20 in 43 years. Robert Plant and Alison Krauss and Ween also have notable releases this week.