Songs in The Legend of Zelda Spirit Tracks

Song of Awakening
This song is used to awaken certain statues who will give you usefull information, similar to Gossip Stones

Song of Healing
This song when used in dungeons or the Tower of Spirits will summon the Spirit of Healing who will restore you to full health. This can only be used once per each playing session.

Song of Birds
This song summons nearby birds such as Cuccos to you.

Song of Light
This song will activate crystal switches near to you.

Song of Discovery
This song will uncover hidden secrets.