Sorry, this took a while…I'd like to be able to record multitrack audio - mainly for "printing" the output of MIDI synths, especially analogue ones without preset memories, but also for later export and mixing (perhaps out of the box using a multiple output soundcard). I wonder if the audio side of SVP is up to this?
I have quoted just this paragraph because it seems to be the only real question you've asked. The answer is yes. Absolutely yes.
Then there's……
I've started playing with SVP 4.5.1 on my G4 under OS 9.2.2 and it's got me intrigued. I like what I've seen but I can also see there's going to be a bit of a learning curve... At this stage I'm wondering whether it's going to be worthwhile for me to learn it properly. I'd welcome thoughts/opinions, although what I'm about to write is a bit of a meander around my thoughts which probably doesn't explain what I'm after too clearly. Basically I want to dedicate some time to learning a MIDI sequencing package on OS9 and I want to decide which one...
For what you have "ramblingly" (Yes, I know that's not a real word) described, SVP combined with Galaxy+Editors will do everything you want and will do it very well. So well in fact, that if you actually travel the learning curve you'll find that much of that app was far ahead of the development curve. There are innovations and features in SVP that somehow still get re-discovered and introduced as new in DAW apps today. Galaxy is outstanding in a rig with a lot of external MIDI hardware and OMS will integrate it perfectly with SVP so that the two run side by side. You also will need a Studio 4 or 5 MIDI interface - preferably a 5 if you have lots of hardware. Also, like any DAW, the quantity and quality of audio is directly related to the audio interface / ADC. (Duh…). I personally like M-Audio Delta stuff. I have a 1010 and a 44 for 12 i/o's that normally run at 24/48. Although they will do 24/96 all day long, manipulating / editing those ever-larger files in OS9 becomes tedious for what is an inaudible improvement in electronic instruments and unless/until one has a seriously 5-figure mic locker. I do mixdown to 96k however.
What SVP
won't do is deal with VSTi's. Development was stopped when Gibson acquired Opcode just before virtual instruments came into being. There are a number of ways around that hiccup when/if necessary but if you like your MIDI in real hardware modules (like me) that won't be an issue at all.
My only other observation based on the info you've provided is:
"I get distracted easily and don't finish much." You have played with a LOT of software and most if not all of the things you found lacking (timing, CC control, patch definitions,
et al) are NOT lacking in SVP/Galaxy.
What you DO need for audio is a good G4 QS or MDD in the Ghz-plus range.
Anyway, if you seriously want to get
deep down into an OS9 DAW, I honestly think there's no better choice than SVP. With the right hardware and a good understanding of the system combined with the huge number of (free) VST's floating around, there's almost nothing it won't do.
* I run 10.5.8 and 9.2.2 on a dual-boot MDD. I set it up that way back when Leopard was the big kid in town. I figure I would keep Logic and some later/newer software available there to be able to bounce a track(s) over to do some edit or(?) and return to OS9 in a best-of-both-worlds kinda thing. Funny thing is, I discovered that for MY workflow at least, I almost never needed to until the very end when I would use Roxio Jam - which was OSX-only - to master a CD. I also kept Adobe CS there for graphics. It was also my preferred system for all things internet. Well, I no longer use it for either of those things but I
still use SVP and Galaxy in OS9 because they still
work and work well and because I learned them and developed a workflow I'm comfortable with, They became what they
should be: Tools to make music that just work so you can
think about music and not about how to force your DAW to do something it won't. Constantly switching hats back and forth between musician and engineer is tedious, distracting and counter-productive. It's a necessary evil for home-cooking of course, operating the system is one thing… repeatedly having to stop and figure out why your shit won't do what you want or (worse) having to fix stuff,
will kill your creativity and incentive as you just spin your wheels.