Complex sentence: Carole King then decided to record "Goin'Back" herself but ultimately she offered it to Dusty Springfield instead, who had an international hit with the song and consequently, it is Dusty's version that is considered the most well known.
Split into simpler sentences: Carole King then decided to record "Goin' Back" herself but ultimately she offered it to Dusty Springfield instead. Dusty went on to have an international hit with the song and consequently, it is her version that is considered the most well known.