1. Insert the CD with the songs you want to join.2. Select the CD from the iTunes Source list. Note: Make sure the list is sorted by track number.
3. Select the adjacent tracks you want to join.
4. Choose Join CD Tracks from the Advanced menu.
5. Click Import.
Cdex 1.51. This is the last "official" version, I think, but others are continuing to develope it.
DB Poweramp (last freeware version). This is a little gem, grab this.