A dot written after a note lengthens the note by half its value.
An eighth note with a dot written after it has a value of three quarters of a beat, or three sixteenth notes tied together.
A dotted eighth note is usually followed by a sixteenth note.
The dotted eighth note will sound most effective when you play it as if the dot were underneath the note instead of after it. Play it short and leave a gap between the dotted note and the following sixteenth note.
On the recording there are three drumbeats to introduce this song.
On the recording there are five drumbeats to introduce this song.
The $ time signature tells you that there are only two quarter note beats in each bar. The only difference between $ and * is that in $ time there are twice as many bar lines.
You can now play the song Lucerne to Weggis on page 12 of Supplementary Songbook C.