I'm starting this thread to feature sound recordings on buses.
For a start, here is a sound recording of SBS1895D from standstill to standstill, recorded along Collyer and Raffles Quays and Shenton Way during a private charter last weekend.
http://accelerate.org/buses/sbs1895d.mp3It is not a very good recording due to fan and passenger noise, but very slight noise reduction was carried out in order to increase engine and gearbox sound clarity.