Possible Clues:

• Parts for male and female in this
• Altogether partly half a dozen
• It's partly half a dozen for him and hers
• That's partly half-a-dozen
• They're partly hafl-a-dozen
• Printing term scored with former group
• Band's former member let it stay around
• In this half a dozen may be playing male and female
• Three couples send rude message — and in French
• There are parts of half a dozen for this