You can request specific instruction on any specific piece, including video game/anime music, vibrato, general performing advice, etc. - all I need is a YouTube link to the song (thank you, perfect pitch!). We can also discuss delivery method - for example, instead of the typical real-time online lesson, maybe you've recorded a YouTube video and just want me to make a video response addressing your specific concerns, or maybe you just want me to write suggestions based on an audio-only recording of yourself. Or maybe you want help editing an audio clip for balance, reverb, and pitch? I will be sure to suggest pricing that makes sense for the time and expertise required of me for your chosen delivery method.