======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '198'
                                          'artist'  'Doyle Lawson'
                                     'text_people'  ''
                                         'release'  'Classics 1976-1979 (Warped 7660)'
                                           'title'  'Silver Bird'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-OLDST-1', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'Q-PLAY-2', 'q-bass-2', 'q-busy-2', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-1', 'q-other-4', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['hillbilly music', 'bluegrass gospel', 'bluegrass', 'hillbilly']"
                                     'discogstags'  "['bluegrass', 'folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '09'
                                      'tracktotal'  ''
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country'
                                             'bpm'  '141.3'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Classics 1976-1979 (Warped 7660)'
'TBPM' (BPM (beats per minute))                     '141.3'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica-country'
'TDRC' (Recording time)                             '2011'
'TIT2' (Title/songname/content description)         'Silver Bird'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Doyle Lawson'
'TPE2' (Band/orchestra/accompaniment)               'Doyle Lawson'
'TRCK' (Track number/Position in set)               '09'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['bluegrass', 'folk, world, & country']
'TXXX:lastfmtags'                                   ['hillbilly music', 'bluegrass gospel', 'bluegrass', 'hillbilly']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.16 dB'
'TXXX:replaygain_track_peak'                        '0.542275'

========================== row from database ==========================
                                              'id'  647362
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Warped Records Collection/Warped 7660 - Doyle Lawson - 1976-1979 (2011)/09 - Silver Bird.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  198
                                           'genre'  loc-namerica-country
                                        'filesize'  8804703
                                           'mtime'  1621628975
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Records Collection (2011) 09 loc namerica country
                                      'tag_artist'  Doyle Lawson
                                     'tag_release'  Classics 1976-1979 (Warped 7660)
                                       'tag_title'  Silver Bird
                                             'bpm'  141.3
                                    'search_title'  'bird':2 'silver':1
                                   'search_artist'  'doyle':1 'lawson':2
                                  'search_release'  '1976':2 '19761979':4 '1979':3 '7660':7,8 'classics':1 'warped':5,6
                                     'search_rest'  '2011':3,4 'collection':2 'country':7 'loc':5 'namerica':6 'records':1
                                    'search_combo'  '1976':6C '19761979':8C '1979':7C '2011':15,16 '7660':11C,12C 'bird':2A 'classics':5C 'collection':14 'country':19 'doyle':3B 'lawson':4B 'loc':17 'namerica':18 'records':13 'silver':1A 'warped':9C,10C
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['hillbilly music', 'bluegrass gospel', 'bluegrass', 'hillbilly']
                                        'tag_date'  2011
                                     'discogstags'  ['bluegrass', 'folk, world, & country']

============================== file details ==============================
                                           'mtime'  1621628974.625491  (2021-05-21 22:29:34)
                             'size'  8804703