If you are looking for excellent music and a tasty meal then the well-known Muse nightclub in Thong Lor with its excellent location is what you want. Take the elevator to the 3rd floor for awesome food and drinks. The Muse nightclub was renovated a few years ago. After this there is now more space and even better seating. The club is well known in the area and a must visit when in the area. Best time to visit is at about 9:00 and get a table.
You can enjoy the live music while you eat and you will see some of the most beautiful women in Bangkok. There are a number of other clubs in the area such as Funky Villa which also does live bands and Demo nightclub which does electro and house music. There are also a good number of hotels not to far from Muse such as the Somerset Sukhumvit Thonglor and the Adelphi Suites Hotel which are well known hotels in Bangkok. See the listing above in the menu for more clubs in the area.