In short, JukeBox Atheros is not compatible I think you should use this and aternos compatible.
A powerful yet simple web-based audio engine to integrate real-time dynamic server audio through the free minecraftaudio.com web service.
AudioConnect can provide truly unique and immersive gameplay with music, sound-effects, soundscapes, voice-over, or any kind of audio.
Control when, where, and how audio is played using its powerful WorldGuard region integration. Or trigger audio playback yourself with commands and the plugin API.
Plugin:
- Use WorldGuard region flags and settings to control location based audio
- Add time constraints to limit when an audio source can be played (day, night, morning, afternoon)
- Delay audio playback by a constant or variable duration
- Define multiple audio sources on multiple independent tracks to be played for a single region
- Combine or prioritize audio settings of overlapping regions
- Use commands to play audio sources to all or specific players
- List and monitor which players are connected and listening
- List the available audio IDs of the audio files added to your account
- Easily connect to the web client using /audio or /music in-game
- /mute or /unmute the audio in-game
Web Service:
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Free audio file hosting
- Intuitive admin interface makes it easily to upload and manage your audio files
- Uploaded audio files are available to any of your servers
- Display audio metadata such as title, artist, and album
- Define multiple audio tracks for different types of audio such as music, soundscapes, and sound-effects
- Layer tracks to play multiple audio sources simultaneously and independently