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Conference napalm::commusic_v1

Title:	* * Computer Music, MIDI, and Related Topics * *
Notice:	Conference has been write-locked. Use new version.
Moderator:	DYPSS1::SCHAFER

Created:	Thu Feb 20 1986
Last Modified:	Mon Aug 29 1994
Last Successful Update:	Fri Jun 06 1997
Number of topics:	2852
Total number of notes:	33157

2620.0. "D20 help!!!!" by GIDDAY::KNIGHTP () Thu Apr 25 1991 21:49

    I need some advice on usig the Roland D20.
    The problem I have is that I want to use the D20 live and have
    pre sequenced backing so I can play and sing along with it(this
    would be a combination of guitar and keyboard playing).
    
    	My problem is the load in time of the on board disk is far
    too long.  I thought of using an external disk such as a data
    disk and down loading each song prior to playing. How do I
    get the information such as the reverb type,length etc as
    well as which sound is assigned to with track of the 
    sequencer etc.  The only way I could see doing it is by 
    a complete midi dump but how feasable time loading wise is this?
    
      If I recorded the song by using an external sequencer first 
    how do I change the the reverb type which sound is assigned to
    which part etc.
    
    	Has any one used this keyboard in this way?
    	
    		Thanks in advance
    		
    
    			Peter Knight

T.R	Title	User	Personal Name	Date	Lines
2620.1	Multiple songs per disk file	MSDSWS::DROBERT	servicing the fields of TENNESSEE	`Fri Apr 26 1991 13:21`	24
	I've not attempted to sequence live w/ my D20, but I can offer some suggestions. To change reverb settings, etc. would require either a message via sysexe, a bulk dump, or (of course) manually changing it. If your external sequencer records sysexe, or xmting sysexe buffers, then that might work. I don't know how complex your backing parts are, but you might be able to combine more than one song (live) into one disk file. The D20 sequencer can record up to 500 measures (provided note limit is not exceeded). You could record the first backing part, then have a few blank measures, then record the second song without starting back at the first measure. The D20 would look at this as one song, but live you could either stop/start the sequencer, or just play straight into the second song. Another possibility would be to record song1's backing parts on tracks 2, 3 & 4 and song2's parts on tracks 5, 6, 7 & 8 leaving you track/channel 1 to play live. Mute tracks 5-8 when playing song1 and mute 2-4 when playing song2. Depending on tracks, amount of notes, etc., you might be able to record song1 on 2-4 measures 1-100, song2 on 2-4 measures 105-220, song3 on 5-8 measures 1-120, song 4 on 5-8 measures 125-230 for instance. With this scenario you'll still have to change reverb manually. This is pretty klugy, but without any external gear, or sysexe transmission, it may be all you've got. Anybody else have suggestions?? Dave Robert
2620.2	other options	TOOK::SUDAMA	Living is easy with eyes closed...	`Fri Apr 26 1991 13:46`	19
	Sounds like a job for a DataDisk. If the D-20 is anything like the D-10 (I think it is), the only way to change the reverb setting for tones is via a SYSEXE dump. This can be done to the DataDisk, and then down-loaded before the song when you need to change patches. I suspect the load time would be a few seconds to maybe 10-20 seconds. With the DataDisk/SQ you could then play the sequence in real-time right off the disk. Frankly, I don't understand why you would want to bother changing things like the reverb settings during a live performance. Maybe you give audiences more credit than I do for being able to discern subtle differences in the quality of the sound (maybe you just play to better audiences :-)). I never use SYSEXE to load my synths during performances. I have them configured with one standard set of tones, and given that they can support (collectively) hundreds of tones, with thousands of possibilities via layering, I find it better not to fool around reconfiguring things during performances. - Ram
2620.3	belated thanks	GIDDAY::KNIGHTP		`Mon May 06 1991 23:36`	12
	Sorry I took so long to get back to you guys. Firstly thank you for your help, what I am going to do is make up the sequenced backing using the D20 and then record that on to a MMT-8 then to data disk. So live I will load say 10 songs from the data disk to the MMT8 and I can then call any of them up instantly the D20 should recieved all the patch change info to select the right sound for the right part, but I may have to just suck it and see with the reverb. Thanks Again P.K.