Minecraft Particle Trails

Rainbow trail:
/execute @a ~ ~ ~ /particle reddust ~ ~ ~ 0 0 0 1 5

Blood Helix:
/execute @p ~ ~ ~ /particle reddust ~ ~0.8 ~ 0.5 1 0.5 0 5 1

Enderman:
/execute @p ~ ~ ~ /particle portal ~ ~1 ~ 0.5 1 0.5 1 1 10

Music Man:
/execute @p ~ ~ ~ /particle note ~ ~1 ~ 0.5 1 0.5 1 1 10

Rain:
/execute @p ~ ~ ~ /particle droplet ~ ~2.3 ~ 0.5 0 0.5 10 20 100
And
/execute @p ~ ~ ~ /particle cloud ~ ~2.3 ~ 0.5 0 0.5 0 10 100