Complex sentence: The band experienced a "very different atmosphere" at initial shows on the Love Kraft tour, when they played the "slow" songs from the album which contributed to the decision to make follow up "Hey Venus!" a "rowdy pop record".
Split into simpler sentences: The band experienced a "very different atmosphere" at initial shows on the Love Kraft tour, when they played the "slow" songs from the album. This contributed to the decision to make follow up "Hey Venus!" a "rowdy pop record".