A pencil writing on some cardboard. Makes a good scratching sound for something like note taking or plain writing. It's semi-erratic with a couple pauses in between and i took different distances from the mic and angles with the pencil to try and get different sounds.
This is a harmonica sound played by suzuki olive c20 harmonica(g key),recorded by iphone and i converted it into wav. It's monophonic, sampling rate 44100, 16bits.