Cryptic crossword No 139

Across

1. Laguna's Ultimate Mark Twain Lines: A Compilation (3,1,4)
2. Banker's severe virus partially returned (5)
3. Process first impressions of Canadian artist - she’s extraordinary (4)
4. A frolic in a deplorably lax situation? (10)
5. Young non-drinker taken for first drop of liquor in French city centre (6)
6. Records show mischievous wives brought to the guillotine? (8)
7. They're rarely seen in that girl's hands, we're told (7)
8. Soldier displays junk - extremely shocking at first (7)
9. The French say cheese takes time in final stage, perhaps (4,4)
10. Band receives Joni's last correspondence (6)
11. Dreamer set out to make improved version of classic album? (10)
12. Linked by some across clues...and down (4)
13. Fresh overture from Richard interrupts my point (5)
14. One scored from sidelines, after shaking lethargy (8)

Down

1. Not the first to debate a lyric's basic meaning! (8)
2. Get rid of Kindle (4)
3. Unsophisticated cowboy drops over for early part of evening (6)
4. Brando's howl before the end of Streetcar is extraordinary! (7)
5. Trouble removing top before kinky act? Better having a three-way (8)
6. Endure the Christmas season and never row? It can be arranged (10)
7. Midge bites stray in Paddington, say (6)
8. Metal rivet breaks...it can happen at 88 mph! (4,6)
9. Dealer turning up to outwit member of the police (8)
10. Paddy tours, but misguidedly (8)
11. Shun official rule by dictator (7)
12. Get back at noon to replace artist in fair (6)
13. Sells picked up bike parts (6)
14. Troubadour's heart poured onto the backs of cartoon coasters in bars (4)