Correct, the clarinet doesn't have the range of stringed instruments. The horn and flute also suffer from this. In the case of the clarinet, if you play a song configured for strings, you'll get a coughing sound when it reaches a note that's outside the clarinet's range. As I say, the horn and flute do it too, it's just harder to hear.
Mandli: Now I know how the elves feel. All the magic is leaving Middle Earth.
Well, it appears that the lowest D flat available joins the ignominious ranks of unconventional sounds for the clarinet. I could swear it did not do this before the latest patch. Any witnesses?
T:Low D flat test Clarinet
N: Tirigifu transcription, Elendilmir server, LOTRO
Primary: Tirigifu of Rohan, female human burglar/yeoman; Alt 1: Tiriadoc Brandybuck, male hobbit minstrel/historian; Alt 2: Tirialataire, female elf lore master/explorer
Your character probably just doesn't have a very good embouchure...
Anamatronix | Carbon Neutral | Franberry
My one... regret... is... is... teaching owls to... use lassoes. The pen is mightier then the sword - but only if the sword is very short and the pen is very sharp.