Oh geez, I remember this. Just like my elementary school. In 3rd grade my teacher made us sing, "I'm gonna jump down, turn around, pick a bale of cotton, jump down turn around pick a bale a day. Oh Lordee, pick a bale of cotton, Oh Lordee, pick a bale a day." It got worse. The last part was, "I'm gonna picka, picka, picka, picka, picka bale of cotton." It's disturbing that I remember this, 30 years later.