On October 22, 1990, “Parlaphone” label released “Behaviour”, the fourth Pet Shop Boys studio album.  It was recorded May – June 1990 at the “Red Deer” in Munich and “Sarm West” in London, and was produced by Harold Faltemeyer, Neil Tennant and Chris Lowe.

• Neil Tennant– vocals, guitar
• Chris Lowe– keyboards, programming, vocoder
• Dominic Clarke – plastic tube
• J. Belle, Johnny Marr– guitar
• Angelo Badalamenti– orchestra arrangement, conduction
• Alexander Bălănescu– string quartet arrangements
• The Balanescu Quartet– strings
• Jay Henry – additional vocals

Track listing:

All tracks by Neil Tennant and Chris Lowe.

1. Being Boring
2. This Must Be the Place I Waited Years to Leave
3. To Face the Truth
4. How Can You Expect to Be Taken Seriously?
5. Only the Wind
6. My October Symphony
7. So Hard
8. Nervously
9. The End of the World
10. Jealousy