noun. Want of permanence or continued duration.

noun. Lack of permanence.

noun. Want of permanence or continued duration.

noun. The quality or state of being impermanent.

noun. the property of not existing for indefinitely long durations

"But even for those who aren't particularly attached to plastic discs (or liner notes, or cover art, or lyric sheets), the impermanence is still problematic."

impermanency  

duration  length  

mortality  temporariness  transience  transiency  transitoriness  

anicca  causality  cessation  changeableness  defilement  

adaptability  adjustability  alterability  caducity  changeability