This is the 5359th most frequent German word.
bandmitgliedern
"Bandmitgliedern" means "band members" in English.
Here, 'Bandmitgliedern' is used as a dative plural noun when referring to the group of members of a band.
Die Bandmitgliedern üben jeden Tag zusammen, um ihre Musik zu verbessern.
The band members practice together every day to improve their music.
In this sentence, 'Bandmitgliedern' is in the dative plural form, as it is the indirect object receiving the gifts.
Ich schenkte den Bandmitgliedern kleine Geschenke nach dem Konzert.
I gave the band members small gifts after the concert.
Here, 'Bandmitgliedern' is again in dative plural form, marking the entities with whom something is conducted.