Complex sentence: The former was particularly an influence on Sakamoto, who heard the band in the mid- 1970s and later introduced them to his fellow band members, who were impressed with Kraftwerk's formalized style but wanted to avoid imitating their "very German" approach.
Split into simpler sentences: The former was particularly an influence on Sakamoto, who heard the band in the mid- 1970s and introduced them to his fellow band members. They were amazed by Kraftwerk's very formalized style but wanted to avoid imitating their "very German" approach.