Mechanisms for handling website messages, while combating website users ignoring such messages are provided. When the compared error is positive, it is considered that the reproduction of sequence data of the BGM lags behind to increase a tempo of the sequence data reproduction in a step S47. Examples of the camera disclosed include a camera having the lens barrel unit disposed tilted in the outer case member, a camera whose outer case member has a wedge-like shape, and a camera having a projection formed at the outer case member.