Ableton Live:
Videos:

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• Ableton's Tutorial page
  
• Ableton Live Tutorial Videos
  Discover the many uses and ways Ableton Live can be used. Whether you're a DJ, producer, VJ, composer, whatever... These movie tutorials will hopefully teach you some new tricks to get you more creative and making new tunes fast.
  

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• Ableton Live Wiki
  
• Getting started with Ableton Live - Scott Tusa, O'Reilly
  
• Hands on with Ableton Live - Jim Aiken, O'Reilly
  An overview of many aspects of Ableton Live. Outdated by a version (the current version is 6.x).
  
• Using Reason and Ableton Live together
  
• How to Use an External Audio Editor to Tweak Samples Within a Clip
  
• Funky Breaks in Ableton Live
  
• Review of Ableton Live 6 with some links to Tutorials
  Revered with a cult fever since it?s first release many moons ago, and as it?s name suggests, ?Live? is all about real-time manipulation of audio - whether for performance or studio work...
  

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• Reason 3.0 Kickstart
  A 35 minute Youtube video providing an overview of Reason
  
• Gearwire overview of Reason 3.0
  A video overview of Reason by Gearwire.com
  

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• Propellerheads - Discovering Reason
  Tutorials presented by the publishers of Reason - Propellerheads
  
• Using Reason and Ableton Live together
  
• Reasonfreaks
  About 20 tutorials on various aspects/tools of Reason
  
• Making a Dr.Rex Loop your own - Jim Aiken, O'Reilly
  Explores features the NN-XT Advanced Sampler, and walks you through steps to take one of the sample Dr. Rex loops that comes with Reason, and modify various parts of it to make it your own, adding atmostpheric effects, equalizers, and changing samples. O'Reilly.
  
• Revenge of the combinator - Jim Aiken, O'Reilly
  Another O'Reilly article on the combinator feature of Reason.