(subscription or UK public library membership required)
((Grove Music subscription)) generates a notice that a subscription or UK public library membership is required to access a Grove Music source with appropriate link. If used in conjunction with a citation template such as ((cite web)) it should be placed between the closing brackets of the template and the </ref> tag, in the same way as with ((subscription required)).
((Grove Music subscription))
generates the note to be used in a sentence → (subscription or UK public library membership required)((Grove Music subscription|sentence=yes))
generates the note being a proper sentence → (Subscription or UK public library membership required.)