Hole's Courtney with The Smiths' Johnny at one time produced Sinatra song (4,3,8)

I haven't cracked this one yet — but the brilliant team at Fifteensquared have:

LOVE (reference Courtney LOVE [born 1964], American singer, founder of the alternative rock band Hole) + ( AND ) + MARR (reference Johnny MARR [born 1963] formerly guitarist and songwriter with the band The Smiths) + I (Roman numeral for one) + AGE ([period of] time)