Brain Game: Filling Station #7

Wednesday Wordplay is the challenge for today's mentalfloss.com Brain Game. Today, the seventh entry in our popular new Filling Station puzzle series. Enjoy!
Each of the following 5 entries can be turned into an English word by adding the letters from the name of a musical instrument - in the order it's spelled - into the blanks provided. An example appears below to get you started.
example: _ _ E _ _ _ O solution: ORGAN ( O R E G A N O ) 1. _ _ R _ _ N 2. _ _ _ _ A T _ O _ 3. _ H _ L _ _ T H R _ P Y 4. _ _ _ _ O O N 5. _ _ S _ L E T _
Here are the SOLUTIONS.
THE SOLUTIONS:
1. TUBA = T U R B A N
2. VIOLIN = V I O L A T I O N
3. PIANO = P H I L A N T H R O P Y
4. HARP = H A R P O O N
5. OBOE = O B S O L E T E
Thanks for playing. Tomorrow at the mentalfloss.com Brain Game: Think Thursday!