This is sad to hear. Did actually get to see him conduct one one occasion - a recreation of the June Christy 'Something Cool' material. I thought at the time I was lucky to see it and I was right. RIP Mr Rugolo.
May I suggest some of the following from UK and Europe?
Albert Mangelsdorff
Manfred Schoof
Joe Harriott Quintet and Harriott/Mayer Indo-Jazz Fusions
Amancio D'Silva
John Surman
Mike Westbrook (60s Orchestra)
Chitinous Ensemble (just bordering on the 70s I guess)
Mike Taylor
Jan Johansson
Neil Ardley/New Jazz Orchestra
Mischa Mengelberg
Martial Solal
SME
Cornelius Cardew/AACM
John Taylor
Freddie Hubbard 'Backlash' (Atlantic purple/orange, mono)
followed by:
Freddie Hubbard 'Live at the Northsea Jazz Festival, The Hague, 1980' (Pablo Live, 2LP)