question #3 Sahih Muslim 892a, Book 8, Hadith 16 : What does this incident teach about the balance between religious observance and cultural practices?

Abu Bakr came to see me and I had two girls with me from among the girls of the Ansar and they were singing what the Ansar recited to one another at the Battle of Bu’ath. They were not, however, singing girls. Upon this Abu Bakr said: What I (the playing of) this wind instrument of Satan in the house of the Messenger of Allah (ﷺ) and this too on ‘Id day? Upon this the Messenger of Allah (ﷺ) said: Abu Bakr, every people have a festival and it is our festival (so let them play on).