does apple music have one year package ?

Open this article and scroll down to How to get an Apple Music Annual subscription:

https://support.apple.com/kb/HT204930

In the USA there is an annual membership for the "Individual plan" but not the student or family plan

Annual plan is currently available only for an Individual Membership. If you’d like to provide feedback regarding this, use this link:

https://www.apple.com/feedback/apple-music.html