The guitar’s headstock was cracked, so it wouldn’t stay in tune.
吉他的琴头裂了,所以总是跑音。
After polishing the frets, he checked the headstock alignment and tightened the tuning machines to improve stability during recording sessions.
抛光品丝后,他检查了琴头是否对齐,并拧紧弦钮机构,以提升录音时的稳定性。