Avalon
Leokoriou 20 at corner with sarri street - psiri, tel. +30 210 3310572. open until 1:30am.
Orea Penteli
On psiri square, tel. +30 2103218627. another "mezedopolio" with live music in an old restored building.
Skolion
Katsikogianni 5. on agii anargiri square -- psiri, tel. +30 210 3246098. a "mezedopolio" where local singers sing rempetika music.
O&B Athens All Day Bar Restaurant
(http://www.oandbhotel.com...), leokoriou 7 - psiri - thisio. next to ermou street, tel. +30 210 3312950. the bar - restaurant of the o&b athens boutique hotel, offers gourmet mediterranean cuisine and all day food and coffee choices breakfast, lunch, dinner, coffee, cocktails.
There are a lot of restaurants with live music but bare in mind that they can be quite expensive. Even the restaurants without live music can be expensive so check the prices before you enter a restaurant in Psiri, especially if it looks very stylish and trendy. In Psiri, you may also find some really good gourmet restaurants.
Pairs Keròs
Taki 16 on psiri square. tel: +30 210 3212858. refining "mezedopolio" with live music every evening. open also on lunch hours.