By placing a bell above a note block and then right clicking, it will change its pitch. Use-count 12 corresponds to the bell's usual pitch. You can use this mod to make chimes like from a clock tower.
Adds real life stars and constellations
Configurable astronomy mod that adds real life stars and planets to the night sky, with changes to the sun / moon, eclipses and shooting stars
Add multiple layers of vanilla-style clouds
Allows you to change the client side weather and time