Original sentence: At the beginning, none of the members recognised Barrett, due to his drastic change in appearance.The other happened during the mixing of the song when, a fat and bald (with no eyebrows) Syd Barrett entered Studio Room 3, and offered assistance to his ex-band mates on playing guitar
Edited sentence: At the beginning, none of the members recognised Syd, due to his drastic change in appearance.The other happened during the mixing of the song when, ironically, a fat and bald (with no eyebrows) Syd Barrett entered Studio Room 3, and offered assistance to his ex-band mates on playing guitar, whilst eating a bag of sweets