Indeed. Phase shifting and phaser are not MPT functionality, but very basic accoust effects. They do really not belong in a "tip of the day". As I said, it's not an audio tutorial, and especially not one about audio tricks.
I can understand that, but...[rant]
There's a great chance that nowadays most tracker newbies will learn how to track with modplug, as it is admitedly one of the best and most renowned free tracker available.
And newbies won't make the difference between tracking usage, effects and tricks and modplug's usage, features and tricks. It comes in the same music-software package : Modplug.
Now, if you want I can remove tips about audio/tracking effects from the list, but take in consideration that :
1) Other trackers like Renoise give out such audio/tracking tricks amongst tips of the day, and I (and many users I'm sure) easily learned some of them this way.
2) This kind of knowledge is not obvious at all, and nowhere to be easily found for the non-specialist.
3) I would certainly not qualify phase shifting and phaser as "basic" for the average user but it's true that once you know about it, it's really simple and obvious, so don't keep it all for yourself and spit it already !
4) I'm almost certain that no user will think "but tips and tricks should only display the software's specific functionality".
Look at it again :
* Duplicate the channel of your lead melody : right click on the channel label -> duplicate.
* Add a fine portamento (FEx) on the duplicated notes to detune them.
2 lines and there, you know the trick, and nobody's been hurt.
By the way, you did learn a modplug feature : duplicate a channel.
Most of us will simply uncheck these tips on startup : we already know almost all about modplug and tracking. But you can't consider the average modplug user as a veteran that knows all about tracks and is only eager for new functionalities to ease his work. So tips are aimed at trackers new to modplug but also at users new to tracking in general (the majority I would guess). Remember, they don't know how to track let alone using effects. I think tracking tips would quickly help them.[/rant]
Ok, for now I will focus on the modplug-only workflow features to avoid writing for nothing, but I'll try again to convince you to pass on the knowledge.