vielleicht deswegen (allmusic):
The altoist returned to Blue Note in 1967 and soon became caught up in the increasingly commercial leanings of the label. For a time, he utilized an electronic Varitone sax, which completely watered down his sound. The success of „Alligator Boogaloo“ in 1967 led to a series of less interesting funk recordings that were instantly dated and not worthy of his talent.
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