▁ 6 , ▁ 8 , ▁ 1 0 , ▁ 1 2 , ▁ 1 3 ) ▁ ▁D ror ▁Moh ar ▁—   ass istant ▁engineer ▁( track ▁ 1 0 ) ▁ ▁Jam ie ▁Mu ho ber ac ▁— ▁key boards ▁( tra cks ▁ 6 , ▁ 8 , ▁ 1 2 ) ▁ ▁I chi ho ▁N ish iki ▁—   mix ing ▁assistant ▁( tra cks ▁ 4 , ▁ 8 , ▁ 1 0 , ▁ 1 2 ) ▁ ▁Sarah ▁O ’ Bo yle ▁— ▁viol in ▁( tra cks ▁ 4 , ▁ 6 ) ▁ ▁Richard ▁O w ens ▁— ▁horn s ▁( track ▁ 6 ) ▁ ▁Bobby ▁O z una ▁— ▁co - produ cer ▁and ▁drums ▁( track ▁ 4 ) ▁ ▁George ▁P aj on , ▁Jr . ▁— ▁guitar ▁( track ▁ 1 3 ) ▁ ▁Sand ra ▁Park ▁— ▁viol in ▁and ▁concert master ( tra cks ▁ 4 , ▁ 6 , ▁ 1 0 , ▁ 1 3 ) ▁ ▁David ▁P ilt ch ▁— ▁bass ▁( tra cks ▁ 6 , ▁ 8 , ▁ 1 0 , ▁ 1 3 ) ▁ ▁Her b ▁Pow ers ▁Jr . ▁—   master ing ▁ ▁W en ▁Q ian ▁— ▁viol in ▁( tra cks ▁ 4 , ▁ 6 ) ▁ ▁Len es ha ▁Rand olph ▁— ▁background ▁vocals ▁( track ▁ 1 3 ) ▁ ▁Chris ▁Rob ▁— ▁organ ▁( track ▁ 3