bunch
The Platinum Collection - Alicia Keys album - was created in 1999.
A collection of keys is often referred to as a "keyring" or "keychain." These terms denote a loop or chain that holds multiple keys together for convenience and organization. In a broader context, a group of keys can also be called a "set of keys."
A grove of keys
You need all the keys to that one collection. Some collections have 5 keys, or 8 keys.
You would call them a locksmith. Locksmiths make keys for everyday use.
If you lost your cabinet keys, you can call the cabinet maker and see if they have replacements. You can also call a locksmith to make a new set of keys.
Black keys are a modification of the notes on the white keys
Call the collection a harem.
A collection of islands is called an archipelago.
I can recommend you to call a locksmith. And stop losing your keys.
you call your husband if has a matching key
A lot of keys are often referred to as a "keyring" or "keychain" when they are grouped together for convenience. In a more general sense, a large collection of keys might simply be called a "set of keys." Additionally, in some contexts, a large number of keys may be described as a "bunch" or "bundle" of keys.