Related Clues:

• If it turns sad it may get light
• If it turns sad, by the sound of it, make light of it (8)
• Make light of what's sad, by the sound of it, at last
• It glows if it turns sad, by the sound of it
• If it turns sad, by the sound of it, it glows
• If it turns sad it's light in the bulb
• Fibre provided by fine malt whisky?
• Expression of regret after car races on the Strand
• Conducting wire
• Slender thread — conducting wire
• Light bulb part
• Thin thread (e.g. in bulb)
• Wire in light bulb
• Slender fibre
• Part of light inspirational poem turned to expression of grief