"Aj, aj, aj" or "Aj, aj, aj (det bultar och det bankar)" is a song written by Rune Wallebom, and originally recorded by Schytts who scored a Svensktoppen hit between the period of 9 September-9 December 1973. The song topped the chart. and was also recorded by Matz Bladhs and Roosarna. The song lyrics describe a love meeting during a party where the I person soon learns the you person is already married and has children, and describes his/her own feelings. The song is one of the titles in the book Tusen svenska klassiker (2009).