Yet again I leave a Herbert Blomstedt concert with a sense of wonderment and bemusement. Wonderment at the extraordinary music-making that this man is capable of. Bemusement as to why he is not better known, his talents not more widely recognised, his services not more often called upon in this, his 83rd year. Last night's masterful Prom saw him leading the youngsters of the Gustav Mahler Jugendorchester first into the heavens of Hindemith's Mathis der Maler Symphony and then into the fiery wastes of hell in Bruckner's terrifying Ninth.