Without having to spend a fortune on a live band with many musicians, you can hire a solo, duo or trio to save money and get many of the same songs.  Of course the more musicians you have, the better it will sound.  But if budget is a constraint, try a smaller group.  Check out the link before to see many options.    https://swingentertainment.com/bandslive-entertainment/ceremonycocktail-guitar-harp-strings-piano/