According to the Wikipedia: Beautiful Sunday is a song written by Daniel Boone and Rod McQueen and performed by Daniel Boone. The song appeared on his 1972 album, “Beautiful Sunday”, and reached an international success in the following years The lyrics are as follows: Sunday morning, up with the lark I think I'll take a walk in the park Hey, hey, hey, it's a beautiful day I've got someone waiting for me When I see her I know that she'll say Hey, hey, hey, it's a beautiful day Hi, hi, hi, beautiful Sunday This is my, my, my, beautiful day When you say, say, say, say that you love me Oh, my, my, my, it's a beautiful day Birds are singing, you by my side Let's take a car and go for a ride Hey, hey, hey, it's a beautiful day We'll drive on and follow the sun Making Sunday go on and on Hey, hey, hey, it's a beautiful day Hi, hi, hi, beautiful Sunday This is my, my, my, beautiful day When you say, say, say, say that you love me Oh, my, my, my, it's a beautiful day Hi, hi, hi, beautiful Sunday This is my, my, my, beautiful day When you say, say, say, say that you love me Oh, my, my, my, it's a beautiful day