reviewing Clavis Sinica's "Stepping Stones" Lessons 1-5, spending a minute here or there to practice lines with more difficult pronunciation streams

reading about '-n' vs. '-ing' http://blog.skritter.com/2015/01/confusing-mandarin-pronunciation-part-1.html

read your articles about the second tone and aspiration

Re-recorded 2 HSK sentences for WaiChinese and replied to tutor Jenn(y).

Hanzi WallChart Pronunciation Package Tone Pairs - listen & repeat all of the "4-5 tone pairs" and "tone triplets", and read the "Tones 一下" PDF.

Sinosplice: practiced pronouncing all "2-character adjectives" at http://www.sinosplice.com/learn-chinese/tone-pair-drills/3

... and "Two-Character Modifiers" (Sinosplice)

read about pronunciation theory at http://www.hackingchinese.com/how-learning-some-basic-theory-can-improve-your-pronunciation/

WaiChinese: submitted ~20 HSK sentences and one Spring Festival couplet line.

WaiChinese: practicing with Chengyu

WaiChinese... tried a couple of 1st tone pairings (got 5 out of 5 on both)