simple music manager for unity

MusicManger.cs

using com.ootii.Messages;
using UnityEngine;
using DG.Tweening;

namespace IOGames.Utils
{

    [RequireComponent(typeof(AudioSource))]
    public class MusicManger : SingletonPrefab<MusicManger>
    {
        private AudioSource _audioSource;

        private float _volume = 1.0f;
        public float volume
        {
            get
            {
                return _volume;
            }
            set
            {
                _volume = value;
                _audioSource.volume = _volume;
            }
        }

        protected override void Awake()
        {
            base.Awake();

            _audioSource = GetComponent<AudioSource>();
            MessageDispatcher.AddListener(GameSettings.MESSAGE_TYPE_MUSIC_VOLUME_CHANGED, OnMaxVolumeChanged);
        }

        
        public void FadeIn(float targetVolume, float fadeTime)
        {
            Play();
            DOTween.To(() => volume, x => volume = x, targetVolume, fadeTime);
        }

        public void FadeOut(float fadeTime)
        {
            DOTween
                .To(() => volume, x => volume = x, 0, fadeTime)
                .OnComplete(Pause);
        }

        public void Pause()
        {
            _audioSource.Pause();
        }

        public void Play(AudioClip audioClip)
        {
            _audioSource.clip = audioClip;
            Play();
        }

        public void Play()
        {
            _audioSource.Play();
        }

        public void Stop()
        {
            _audioSource.Stop();
        }

        private void OnMaxVolumeChanged(IMessage rMessage)
        {
            volume = (float)rMessage.Data;
        }
    }
}