diff --git a/tutorial/chapters/BasicTypesTutorial.md b/tutorial/chapters/BasicTypesTutorial.md
index 01fd8197..3102c032 100644
--- a/tutorial/chapters/BasicTypesTutorial.md
+++ b/tutorial/chapters/BasicTypesTutorial.md
@@ -292,10 +292,22 @@ The `readWav` and `loopWav` can read the file with given speed.
 The 1 is a normal speed. The -1 is playing in reverse.
 Negative speed works only for `loopWav`.
 
-So we can read our friends record like this:
+So we can read *.wav file like this:
 
 ~~~{.haskell}
-let sample = loopSnd "Composite.wav"
+$ ghci
+Prelude> :m +Csound.Base
+Prelude Csound.Base> -- play the *.wav file
+Prelude Csound.Base> dac $ readSnd "Composite.wav"
+Prelude Csound.Base> -- continuously play the *.wav file
+Prelude Csound.Base> dac $ loopSnd "Composite.wav"
+Prelude Csound.Base> -- set period of continuous play to 2 seconds
+Prelude Csound.Base> dac $ loopSndBy 2 "Composite.wav"
+Prelude Csound.Base> -- set speed of playback
+Prelude Csound.Base> dac $ readWav 2 "Composite.wav"
+Prelude Csound.Base> -- continuously play at the set speed
+Prelude Csound.Base> dac $ loopWav 3 "Composite.wav"
+Prelude Csound.Base> :q
 ~~~
 
 If we want only a portion of the sound to be played we can use the
diff --git a/tutorial/chapters/ProducingTheOutputTutorial.md b/tutorial/chapters/ProducingTheOutputTutorial.md
index e321fc63..c2563389 100644
--- a/tutorial/chapters/ProducingTheOutputTutorial.md
+++ b/tutorial/chapters/ProducingTheOutputTutorial.md
@@ -47,7 +47,14 @@ Let's write a 10 seconds of concert A (440 Hz). We can use it
 for tuning:
 
 ~~~haskell
-> writeSnd "A.wav" $ setDur 10 $ osc 440
+$ ghci
+Prelude> :m Csound.Air.Wave Csound.Options Csound.IO
+Prelude Csound.Air.Wave Csound.Options Csound.IO> writeSnd "A.wav" $ setDur 10 $ osc 440
+Prelude Csound.Air.Wave Csound.Options Csound.IO> :q
+$ file A.wav 
+ A.wav: RIFF (little-endian) data, WAVE audio, Microsoft PCM, 16 bit, mono 44100 Hz
+$ aplay A.wav
+ Playing WAVE 'A.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Mono
 ~~~
 
 The audio is going to be rendered off-line. The good thing