What are the release dates for Nasty Boys - 1989 Last Tango in Vegas 1-6?

It seems you're asking about the release dates for the Nasty Boys' 1989 album, "Last Tango in Vegas." However, there are no individual releases for 1-6 as they are simply track numbers within the album.

Here's the information you're likely looking for:

Album Title: Last Tango in Vegas

Artist: The Nasty Boys

Release Date: August 29, 1989

If you're looking for information on specific songs within the album, please let me know the track titles and I can help you find more details.