Possible Clues:

• Annie Lennox album
• Gloats in a mix-up out of sentimentality
• Lost again in reverie about the past
• Wistfulness of Saint Olga once abroad?
• Yearning for the good old days
• Lost again, wandering in state of wistfulness
• Lost again (anag.)
• Wistfulness may be shown by lots again in resort
• Again lost at sea, looking back regretfully
• Got a snail (anag.)