Complex sentence: With the band unable to secure a replacement guitarist on such short notice, Vincent was enticed to return for the American leg of the tour; however, his refusal to sign his contract continued to be a sore point.
Split into simpler sentences: With the band unable to secure a replacement guitarist on such short notice, Vincent was enticed to return for the American leg of the tour. However, his refusal to sign his contract continued to be a sore point.