Instrument with R
- Classic wind instrument; totally valid. 
- Simple percussion shaker; fits the bill. 
- Electric guitar used in rock; counts. 
- Percussion tube that mimics rain; valid. 
- Flute made of reed cane (e.g., ney); valid. 
- Orchestral noisemaker percussion; valid pick. 
- Medieval bowed string instrument; legit. 
- Guitar role/type; still a real instrument. 
- Woodwind with a reed; used in organs/folk. 
- Reed pipes
- Standard drum kit cymbal; definitely valid. 
- 7-string guitar from Russia; regional but real. 
- Rag dung
- Reed organ
- Ringing bell
- Record
- Rain maker
- Round drums
- rhythm sticks
- red piano
- rain maker
- rock drums
- rock and roll guitar
- ringtone
- right handed guitar
- Rhodes piano
- Radar
- Rifle
- Rice shaker
- Rhodes
The words in the list Instrument with R come from players of the word game City, Country, River.