3.19 - The Brig

3.19 - Back to the Black Rock

The track that plays when Locke and Sawyer go into the old slaving ship.
http://www.divshare.com/download/3564554-e5b

3.19 - Locke's Journey

This is a twist on the early Locke theme as he goes off to take his father's body to Ben.
http://www.divshare.com/download/3564556-5cd

3.18 - D.O.C.

3.18 - Patchy Returns (S3 soundtrack - "Rushin' the Russian")

The return of our favourite one-eyed Other Mikhail as he is chased and given the beatdown by Jin.

3.17 - Catch-22

3.17 - Flashes Recap

Desmond's "flashes" theme that plays over the "Previously on Lost" recap.
http://www.divshare.com/download/3564334-ac1

3.17 - Helicopter

This track plays when Desmond, Jin, Charlie and Hurley see the helicopter crash, and its ejected passenger.
http://www.divshare.com/download/3564544-02b

3.17 - Des Meets Penny

This is heard during Desmond's first meeting with Penelope in flashbacks, as well as the discovery of Naomi on the island. A variation on Des's theme.
http://www.divshare.com/download/3564333-51c

3.16 - One of Us

3.16 - Juliet Arrives (S3 soundtrack - "Juliet is Lost")

Wonderful track that has the same island exploration theme as "Black Rock Trek" but this time much more grand, playing when Juliet first sees the island.

3.16 - Back to Camp (S3 soundtrack - "Beach Blanket Bonding")

The score that accompanies Jack and co.'s return to the beach camp along with Juliet.

3.16 - Claire Becomes Sick

This tense track plays when the implant in Claire activates making her sick.
http://www.divshare.com/download/3563879-142

3.16 - Juliet's Explanation

This tense track is heard during Juliet's talk with Jack and Kate about their pregnancy situation.
http://www.divshare.com/download/3564331-2dd

3.16 - Juliet at the Tree

This similar version of "Juliet's Discovery" plays when she goes to Ethan's old drop-off point for medicine.
http://www.divshare.com/download/3564330-66e

3.16 - His Name Is Julian

A soft variation on the "Leaving Hydra Island" track which plays when Ben shows Juliet her sister and child.
http://www.divshare.com/download/3563880-c5f

3.16 - See You In A Week

Classic Lost music drifts into the climax of S2's "Bon Voyage, Traitor" as we see Juliet's true motives for joining the beach camp.
http://www.divshare.com/download/3564332-eac

3.15 - Left Behind

3.15 - The Feast (S3 soundtrack - "Heart of Thawyer")

This track plays during the montage of Sawyer's great feast with the other survivors.

3.14 - Exposé

3.14 - Nikki Runs (S3 soundtrack - "Sweet Exposé")

The very beginning of the episode when Nikki runs through the jungle and buries something.

3.14 - Paralysed (S3 soundtrack - "Sweet Exposé")

A twisty version of Nikki/Paulo's theme intertwined with a variation of "Nikki Runs" as the two get what's coming to them.

3.14 - Buried Alive (S3 soundtrack - "Sweet Exposé")

The end of Exposé when Nikki and Paulo are accidentally buried alive.

3.13 - The Man From Tallahassee

3.13 - Recap

The variation on Locke's theme that plays over the "Previously on Lost" recap.
http://www.divshare.com/download/3587632-c9c

3.13 - John's Mission

This track plays when Alex takes Locke to the sub, where he sets about blowing it up.
http://www.divshare.com/download/3587630-fca

3.13 - Locke and the Sub

This plays during Locke's return from the sub and its imminent destruction.
http://www.divshare.com/download/3587631-51d

3.13 - Ben Shows Locke

This is heard when Ben shows John what came out of the "magic box". Chilling version of Locke's theme.
http://www.divshare.com/download/3587629-a55

3.12 - Par Avion

3.12 - The Sonic Fence

This plays when the A-Team comes across the sonic fence surrounding the Barracks.
http://www.divshare.com/download/3586194-543

3.12 - Making a Bridge

This variation on Locke's theme plays as he and the gang make a tree bridge to get over the sonic fence.
http://www.divshare.com/download/3586193-f39

3.12 - Claire's Message (S3 soundtrack - "Claire-a Culpa")

The score that plays through Claire's message to the arrival at the Barracks where Jack is playing football.

3.11 - Enter 77

3.11 - Recap (S3 soundtrack - "Eko of the Past")

This is the music from the "Previously on Lost" recap. It is the same music from Eko's dream sequence in The Cost of Living.

3.11 - Sawyer's Theme

This plays at the very beginning of the episode when he talks to Hurley.
http://www.divshare.com/download/3586180-44b

3.11 - Mikhail Bakunin

The introduction of Mikhail Bakunin when we first visit The Flame station as he discusses his history. Includes some reverb dialogue.
http://www.divshare.com/download/3586178-659

3.11 - Showdown at The Flame

The music that plays during Kate and Sayid's exploration of The Flame hatch, Locke's discovery in the chess game, Kate's fight with Klugh and the confrontation with Mikhail outside.
http://www.divshare.com/download/3586191-c11

3.10 - Tricia Tanaka Is Dead

3.10 - Hurley Chases Vincent (S3 soundtrack - "Fetch Your Arm")

This playful version of Hurley's theme plays when he follows Vincent and comes across the Dharma van.

3.10 - Couples (S3 soundtrack - "Shambala")

This plays when Sawyer is looking around at all the happy couples after his excursion in the Dharma van (along with Jin, Charlie and Hurley).

3.09 - Stranger in a Strange Land

3.09 - Moving Jack

This plays when Jack is being moved from his cell inside the Hydra to an outside cage.
http://www.divshare.com/download/3563758-fdf

3.09 - Juliet's Trial

This is heard when Alex takes Jack to Juliet's trial where they confront Tom and Isabel.
http://www.divshare.com/download/3563756-6a6

3.09 - Leaving Hydra Island (S3 soundtrack - "Ocean's Apart")

This track infamously labelled as "melodramatic" is actually quite nice, playing at the end of Stranger/Strange Land when Jack and the Others go back to the main island.

3.08 - Flashes Before Your Eyes

3.08 - Flashes Recap

A great version of Des's flashes theme used in the "Previously on Lost" segment.
http://www.divshare.com/download/3563754-593

3.08 - Desmond's Theme (S3 soundtrack - "Distraught Desmond")

The score that accompanies Desmond's revelations concerning his flashes and Charlie's fate.

3.07 - Not in Portland

3.07 - Juliet's Sister (S3 soundtrack - "Teaser Time")

This is heard at the beginning of the episode when Juliet walks from the beach into her sister's room.

3.07 - Juliet's Discovery

This plays when Juliet walks to the Hydra surveillance room and sees Kate and Sawyer with Alex.
http://www.divshare.com/download/3563737-a0b

3.06 - I Do

3.06 - Eko's Burial

As the title says, including when Locke sees the message on Eko's "Jesus stick" as he hammers it into the ground.
http://www.divshare.com/download/3563713-3cb

3.06 - Kate & Sawyer (S3 soundtrack - "Romancing the Cage")

A wonderful version of Kate's theme plays as she and Sawyer consummate their relationship in the cages.

3.06 - I'm Ready

Just a cool little part of the Others/Ben's theme as the surgery is about to begin.
http://www.divshare.com/download/3563734-fdf

3.06 - Sawyer's Fate (S3 soundtrack - "Under the Knife")

The complete suspensful track that plays during the climax at the cages and the operating room.

3.05 - The Cost of Living

3.05 - We're Next (S3 soundtrack - "Leggo My Eko")

The sad variation on Eko's theme right after he has been mortally wounded by the smoke monster.