| (1) Musical keywords:
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|---|
| /title: | roll title, as it appears on the roll box
|
| /subtitle: | subtitle, if any
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| /composer: | name of composer or composers, if known
|
| /pianist: | name of pianist or pianists, if known
(as written on the leader)
|
| (2) Historical keywords:
|
|---|
| /roll_type: | type of roll, specified as manufacturer's name
|
| /roll_class: | class of roll, as subtype of roll_type given above
|
| /roll_mode: | mode of roll, if applicable
|
| /roll_words: | type of words on roll, if any
|
| /roll_number: | roll number, as it appears on the roll or roll box
|
| /roll_tempo: | tempo as it appears on the roll, if any
|
| /roll_date: | date of recording, manufacture, or issue, if known
|
| /roll_city: | location of recording, if known
|
| (3) Technical keywords:
|
|---|
| /punch_size: | round or obround punch diameter, mm
|
| /punch_width: | rectangular punch width, mm
|
| /punch_length: | rectangular or obround punch length, mm
|
| /punch_step: | displacement between punch steps, mm
|
| /read_step: | displacement between read steps, mm
|
| /play_tempo: | tempo at which playing occurs, tempo units
|
| /play_speed: | roll speed at which playing occurs, mm/s
|
| /play_step: | play punch step displacement, mm
|
| /play_punch: | effective play punch length, mm
|
| /cadence: | webbing cadence, rows
|
| /thickness: | paper thickness, mm
|
| /diameter: | takeup spool diameter, mm
|
| /sample_rate: | sample rate of translated disk file, hertz
|
| (4) Musical keywords:
|
|---|
| /key: | principal key of selection
|
| /meter: | 3/4, 4/4, 6/8, 12/8
|
| /measure: | number of punch steps per measure
|
| /auto: | automatic prefix webbing period
|
| /prefix: | number of punch steps to be added before play
|
| /suffix: | number of punch steps to be added after play
|
| (5) Anecdotal keywords:
|
|---|
| /owner: | owner of the roll
|
| /comment: | any comment of any length regarding anything
|