AllMusic has given "Miles Davis Quintet - Live In Europe 1967: The Bootleg Series Vol. 1" four-and-a-half stars! Here is an excerpt:

The Bootleg Series, Vol. 1: Live in Europe 1967 box is an essential addition to the catalog. ...This four-disc box -- three CDs and a DVD, capture Davis' second (and longest-lived) quintet at their creative pinnacle in 1967, playing five concerts in different European cities -- three on the CDs, two more on DVD.

Musically, the quintet -- Davis, Herbie Hancock, Wayne Shorter, Ron Carter, and Tony Williams -- are firing on all cylinders throughout. ... These performances are intense, as the quintet plays a fiery meld of post-hard bop infused with modal music and tinges of free jazz.

Read more at AllMusic.com.