Make two different audio files play sequentially instead of at the same time?

[profezzorn]

@Sabersense

I know I can use delay(3000);

No, you cannot. That would prevent ProffieOS from working for 3 seconds.
More information here:

The many faces of C++

Ok, so it’s actually “phases” of C++… So when you write a piece of C++ code, the most fundamental part to understand, is what gets evaluated when. So, let’s start when you press “upload”. The preprocessor The first thing that happens is that the code runs through the preprocessor. The preprocessor works a bit like a text editor, doing operations like inserting files replacing words, evaluating simple expresions and deleting segments of text. Most preprocessor stuff starts with a #, like #if, #include or #define. The exception is that defines work kind of like a search and replace on the rest of the code, not just the lines that start with #. The output of the preprocessor is a text file which contains the expanded, edited code to be compiled. The compiler Now it’s time for the compiler to translate the text into code. The compiler does most of the heavy lifting of translating text into code. In some sense, this is a very straightforward process, and most things you write in the code gets translate directly into machine code instructions, one function at a time. C++ has a powerful template system, it is in fact a language unto itself. Templates gets expanded in the compiler, and this expansion can decide what code to compile, or generate multiple versions of code for compilation. One of the most straightforward example of this is the std:if_same_type<> template which is like an if statement for types, which gets calculated in the compiler. There is also something called a “constexpr”, which may get evaluated in the compiler. A constexpr function looks just like a normal function, but has to follow certain rules to make it possible for the compiler to run it at compile time. Constexpr functions can be used as template arguments, in which case the have to be executed at compile time. Now, even if a constexpr function gets evaluated later (at runtime), the result is the same, so for the most part it doesn’t matter. The output of the compiler is an .o (object) file which contains compiled code, grouped into functions. It’s not ready to execute yet though, it’s more like a zip file where each function is listed separately inside. The linker & collect2 The linker is in charge of taking all the .o files, joining everything together and then updating all code jumps to point to the right place, producing a proper executable file as output. Because C++ is complicated, it has a plugin called collect2 that actually does some of the template expansion and opti…