Music on Hold 8x8 Music on Hold plays recorded music or marketing messages while your callers are on hold to give your business a professional edge. Virtual Office allows you to replace dead air with music or important information with our Music/Messaging on Hold feature. 8x8 offers 10 music-on-hold options to choose from that you can change online at any time. Or upload your own .au files. Need Professional Voice Recording Services? From telephone prompts to voicemail and message on-hold recordings, make sure your business presents a consistent, professional voice for your clients and customers. The 8x8 Audio Production Store is a great way to quickly and easily create an effective audio brand for your company.