Bangkok--1 Oct--Nai Lert Park Bangkok Nai Lert Park Bangkok, a Raffles International Hotel is invited you to relax after your exhausted day at Syn Bar, the elegant bar with a sophisticated lighting system which can be adjusted according to mood and time of day. Live entertainment is supplied by “Prime Time” the newest band of Syn Bar, they will entertain you the whole night with live pop, disco, or classic songs.