How I Did It
Uses samples from:
Tools I Used
Ableton 9
Violin: Ableton Orchestral Strings
Harmonica Synth: DSK Harmonica
Bass Synth: RayBlaster (Dark Euro Bass)
Bus Effect: StatsonCM
Reverb: Max Convolution Reverb (ABLCR Chord Vocal)
Samples I Used
Clapping Flamenco from Max For Live Essentials
Process
About 20 cuts and pitch shifts on each guitar track. To alter the rhythm I changed the volumes on many of the notes. If it sounds natural then I was succesful.
I haven't spent enough time making the violin sound natural, as I ran out of time. I would have altered the starts of the notes, changed the velocities and the intonation.
As usual I wrote about 5 more parts than I used, deleting them as I mixed down.
Other Notes
I don't know how Kara managed to harmonise and hit the beats over four vocal parts, an amazing bit of singing.
There is a tricky bit on the change from verse to chorus as I insert an extra 1/4 note in the chorus which pushes the rhythm off and gives a double beat at the end of the chorus.