What makes Open Your Heart by The Human League notable?

'Open Your Heart' was crucial in solidifying The Human League's place in the early '80s music scene, reaching number one on the UK Singles Chart. Its infectious sound contributed to the burgeoning popularity of synth-pop, influencing countless artists and shaping the aesthetic of the decade. Released on September 28, 1981, 'Open Your Heart' marked The Human League's transition into mainstream success following their previous album, 'Dare'. At this point, they were establishing themselves as leaders in the synth-pop genre, capitalizing on the momentum gained from hits like 'Don't You Want Me'.