Crossword puzzle clue "were now"

1950s-'60s hit with the lyric "Ah, you made me love you / Now, now, now, now your man is come"

"If it were now to die, / 'Twere now to be most happy" speaker

Particle physicist whose findings were first accepted by Einstein, but later were shown to be fraudulent

"Wish you were here—__ were there"

Y'know, we always hear how great this guy's violins were, but maybe now it's all psychological that we think they sound so awesome

Were now?

They were once bummed a lot, but now not so much

"What Were Once Vices Are Now Habits" ___ Brothers