This week’s Mixtape Monday playlist is a collection of upbeat Twee Pop jams, for those of us who are just as excessively and seemingly quaint, charming and only just slightly sad.   Rilo Kiley – Silver Lining The Blow – Parentheses Camera Obscura – French Navy God Help the Girl – God Help the Girl The Magnetic Fields – The Luckiest Guy on the Lower East Side The Pains of Being Pure at Heart – Young Adult Friction Los Campesinos! – You! Me! Dancing! Tullycraft – Twee Voxtrot – The Start of Something Belle & Sebastian – Expectations She & Him – In the Sun The Moldy Peaches –…