Jethro Tull – M. U. The Best Of - Vinyl LP Chrysalis CHR 1078 Still Sealed Copy For sale is a sealed original pressing of the M.U. The Best Of Jethro Tull LP. Vinyl assumed NM and jacket VG+ due to some corner wear and minor age discoloration. Please see pics. If you have questions about record grading, and what the grades mean; please refer to the Goldmine Record Grading system prior to purchasing. Thanks for looking!