Theory:

Alliteration is the occurrence of the same letter at the starting of two or more words in a single line, in a poem.
Example:
1. The slender smiling girl...
2. The song of sweet birds...
3. Black bug bit a bear...
4. Practise the piano...
What are the uses of alliteration?
 
1. It creates a rhythm, similar to rhyming words.
2. It emphasizes the importance of phrases.
3. Mostly used in tongue-twisters.
Alliteration used in the poem "I Dream of Spices":
  1. "and ginger and garlic."
  2. "And so I go to the shop"
  3. "what I'd want"
  4. "Mother twists my ears"