Possible Clues:

• It's not very often previously fashionable academy gets colour satellite (4,2,1,4,4)
• Rarely, as soon as I'm clutching nebula shot, nothing's working (4,2,1,4,4)
• What can make email bounce between two cricket sides very rarely (4,2,1,4,4)
• Formerly popular, a low, low note you'll find rarely (4,2,1,4,4)
• Having made the side, a sportsman's idle very rarely (4,2,1,4,4)
• I'm on oboe an uncle composed for very rarely (4,2,1,4,4)
• When at work, an unhappy doctor gets about very rarely (4,2,1,4,4)
• Extraordinarily announce boom? Lie -- bust! (4,2,1,4,4)
• Very infrequently
• *Very rarely