1. A portable telephone set comprising: talking portion; music replay portion, for superposing a talking voice of telephone communication on replayed music in the process of music replay by said music replay portion when making said telephone communication through said talking portion during said music replay by said music replay portion; and volume control portion for controlling the volume of said replayed music and the volume of said talking voice of the telephone communication; and said volume control portion includes a talking volume adjusting part, a music volume adjusting part and a single control part controlling, mutually independently, said talking volume adjusting part and said music volume adjusting part.