Merge pull request raspberrypi#43 from chrisreynolds/patch-1

Update sonic-pi.md

Author: bennuttall

usage/sonic-pi.md

@@ -102,6 +102,13 @@ def frere
   sleep 0.5
 end
 ```
+Then call the function by typing `frere`. For example in a loop:
+
+```ruby
+4.times do
+  frere
+end
+```
 
 ## Synths
 
@@ -127,14 +134,6 @@ with_synth "fm"
 end
 ```
 
-Then call the function by typing `frere`. For example in a loop:
-
-```ruby
-4.times do
-  frere
-end
-```
-
 ## Threads
 
 You can play two tunes at the same time using threads. Like loops, they are blocks encasing lines with the `end` keyword: