Title: WOW!! What an improvement
Review: I used to have the original Columbia cd release and immediately got rid of it because the quality was horrible. When i found out Rhino was re-releasing this I decided to give a second a chance and I'm glad i did. The sound quality is far superior than the columbia original. On the re-issue you can truly appreciate how great of a guitarist Terry Kath was and how great the horn section is. The bonus disc of alternate versions/unreleased songs is a nice edition. I prefer the version of Introduction on disc 4 the version on disc 2. If you're a big fan of old Chicago this collection is a must.
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