Tuning Block, Allay Chest, Lute, and musician.

The tuning block is a utility block that allows you to tune lutes and horns. Tuning blocks can be crafted in a crafting table, and require four wood plank, four amethyst shards, and one diamond. Lutes require one amethyst shard, one iron ingot, two iron nuggets, two sticks, a wood plank, and a string. Once crafted, you can tune the lute in the tuning block for three different purposes; Collect items and build. To tune any lute for any purpose, you need one string, one iron nugget, one amethyst shard, as well as xp. The lute can be named in the tuning table. However, once tuned and named, a lute cannot be tuned again, as the tuning acts like an enchantment. The collect command tells your allays to collect anything in a one chunk radius. Play once to get them to collect an item, and a second time to get them to stop. They will then place this in the allay chest, which requires four wood plank, four diamond, and one amethyst shard. This command requires the item you wish to collect in the command recipe. Finally, to use the build lute, play it once. Then, build what ever you want. Once done, play the lute a second time to seal the build. The allays will record the building, and will repeat it anytime that lute is played, as well as pointed at the ground. However, you must have all of those blocks in your allay chest to build the structure. The musician is a villager that sells you lutes and lute parts. It's job block is a tuning block.