I saw this in a YouTube video, but felt it worthy of a C# 6.0 upgrade :-).
The Happy Birthday song in C#:
using static System.Console; using static System.Threading.Thread;namespace DevelopOne.HappyBirthday { class Program { static void Main( string[] args ) { WriteLine( "Everybody sing along!" ); Sleep( 2000 ); Beep( 264, 125 ); Sleep( 250 ); Beep( 264, 125 ); Sleep( 125 ); Beep( 297, 500 ); Sleep( 125 ); Beep( 264, 500 ); Sleep( 125 ); Beep( 352, 500 ); Sleep( 125 ); Beep( 330, 1000 ); Sleep( 250 ); Beep( 264, 125 ); Sleep( 250 ); Beep( 264, 125 ); Sleep( 125 ); Beep( 297, 500 ); Sleep( 125 ); Beep( 264, 500 ); Sleep( 125 ); Beep( 396, 500 ); Sleep( 125 ); Beep( 352, 1000 ); Sleep( 250 ); Beep( 264, 125 ); Sleep( 250 ); Beep( 264, 125 ); Sleep( 125 ); Beep( 2642, 500 ); Sleep( 125 ); Beep( 440, 500 ); Sleep( 125 ); Beep( 352, 250 ); Sleep( 125 ); Beep( 352, 125 ); Sleep( 125 ); Beep( 330, 500 ); Sleep( 125 ); Beep( 297, 1000 ); Sleep( 250 ); Beep( 466, 125 ); Sleep( 250 ); Beep( 466, 125 ); Sleep( 125 ); Beep( 440, 500 ); Sleep( 125 ); Beep( 352, 500 ); Sleep( 125 ); Beep( 396, 500 ); Sleep( 125 ); Beep( 352, 1000 ); WriteLine( "Yeahhhhh, happy birthday!" ); ReadLine(); } } }