======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '291'
                                          'artist'  'John Texas Rocker'
                                     'text_people'  ''
                                         'release'  '7"'
                                           'title'  "Teddy Bears' Epitaph"
                                           'quals'  ("['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']")
                                     'discogstags'  "['folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-mashup or collage'
                                             'bpm'  '146.000'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         '365 Days Project'
'COMM:ID3v1 Comment:XXX'                            '365 Days Project'
'TALB' (Album/Movie/Show title)                     '7"'
'TBPM' (BPM (beats per minute))                     '146.000'
'TCON' (Content type, a.k.a. Genre)                 'set-mashup or collage'
'TIT2' (Title/songname/content description)         "Teddy Bears' Epitaph"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'John Texas Rocker'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'folk, world, & country'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.06 dB'
'TXXX:replaygain_track_peak'                        '0.993447'

========================== row from database ==========================
                                              'id'  1286226
                                            'path'  /data/Music/Bulk/00poprockelectronic/11/328_3_John_Texas_Rocker_-_Teddy_Bears_Epitaph.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  291
                                           'genre'  set-mashup or collage
                                        'filesize'  7149636
                                           'mtime'  1620349394
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 11 328_3_John_Texas_Rocker_ _Teddy_Bears_Epitaph set mashup or collage
                                      'tag_artist'  John Texas Rocker
                                     'tag_release'  7"
                                       'tag_title'  Teddy Bears' Epitaph
                                             'bpm'  146.0
                                    'search_title'  'bears':2,3 'epitaph':4 'teddy':1
                                   'search_artist'  'john':1 'rocker':3 'texas':2
                                  'search_release'  '7':1
                                     'search_rest'  '00poprockelectronic':1 '3':3 '328':2 'bears':8 'collage':13 'epitaph':9 'john':4 'mashup':11 'or':12 'rocker':6 'set':10 'teddy':7 'texas':5
                                    'search_combo'  '00poprockelectronic':9 '3':11 '328':10 '7':8C 'bears':2A,3A,16 'collage':21 'epitaph':4A,17 'john':5B,12 'mashup':19 'or':20 'rocker':7B,14 'set':18 'teddy':1A,15 'texas':6B,13
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  ['folk, world, & country']

============================== file details ==============================
                                           'mtime'  1620349394.430172  (2021-05-07 03:03:14)
                             'size'  7149636