Detailed instructions for working a group puzzle of type 'Harmony'

This is a signature puzzle named 'Harmony'

The 7 elements in each group of this type of puzzle are: H, A, R, M, O, N, and Y.

Every group in the puzzle must contain exactly this set of elements.

Each row is a group numbered as shown in this Harmony figure.

In a Harmony puzzle, each row is a group numbered as shown in the figure above.

Each column is a group numbered as shown in this Harmony figure.

In a Harmony puzzle, each column is a group numbered as shown in the figure above.

Each septomino is a group numbered as shown in this Harmony figure.

In a Harmony puzzle, each septomino is a group numbered as shown in the figure above.