"Actually the writing should really be reflective of what plays in the ears... the music tracks of 'Bajirao Mastani'... quite something... the purity of music and its tributaries seem to be getting revived," Big B wrote on his blog.
"Efforts made by stalwarts like Sanjay Leela Bhansali...is quite amazing," added the The 73-year-old, who has worked with the director in "Black".
"Bajirao Mastani" is an forthcoming Indian historical romance film, starring Ranveer Singh in the role of Maratha warrior Peshwa Bajirao I, Deepika Padukone as his warrior queen Mastani and Priyanka Chopra as Kashibai, his first wife.
The film will hit the screens on Friday along with Shah Rukh Khan and Kajol starrer "Dilwale".
Meanwhile, Amitabh, who is shooting with actors Vidya Balan and Nawazuddin Siddiqui, will next be seen on the big screen in "Wazir".
Directed by Bejoy Nambiar, "Wazir", which also stars Farhan Akhtar, Aditi Rao Hydari and Neil Nitin Mukesh, will release on January 8.
