======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '262'
                                          'artist'  'Doyle Lawson'
                                     'text_people'  'Loggins, Dave Allen'
                                         'release'  'Classics 1976-1979 (Warped 7660)'
                                           'title'  'A Touch of Pennsylvania'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-OLDST-1', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-2', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['hillbilly music', 'bluegrass gospel', 'bluegrass', 'hillbilly']"
                                     'discogstags'  "['bluegrass', 'folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '25'
                                      'tracktotal'  ''
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country'
                                             'bpm'  '119.3'
                                             'key'  '8B'
                                        '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))                     '119.3'
'TCOM' (Composer)                                   'Loggins, Dave Allen'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica-country'
'TDRC' (Recording time)                             '2011'
'TIT2' (Title/songname/content description)         'A Touch of Pennsylvania'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Doyle Lawson'
'TPE2' (Band/orchestra/accompaniment)               'Doyle Lawson'
'TPUB' (Publisher)                                  'Sugar Hill'
'TRCK' (Track number/Position in set)               '25'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.88 dB'
'TXXX:replaygain_track_peak'                        '0.567384'

========================== row from database ==========================
                                              'id'  647460
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Warped Records Collection/Warped 7660 - Doyle Lawson - 1976-1979 (2011)/25 - A Touch Of Pennsylvania.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  262
                                           'genre'  loc-namerica-country
                                        'filesize'  11357452
                                           'mtime'  1621628986
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Records Collection (2011) 25 Of loc namerica country
                                      'tag_artist'  Doyle Lawson
                                     'tag_release'  Classics 1976-1979 (Warped 7660)
                                       'tag_title'  A Touch of Pennsylvania
                                             'bpm'  119.3
                                    'search_title'  'a':1 'of':3 'pennsylvania':4 'touch':2
                                   '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 '25':5 'collection':2 'country':9 'loc':7 'namerica':8 'of':6 'records':1
                                    'search_combo'  '1976':8C '19761979':10C '1979':9C '2011':17,18 '25':19 '7660':13C,14C 'a':1A 'classics':7C 'collection':16 'country':23 'doyle':5B 'lawson':6B 'loc':21 'namerica':22 'of':3A,20 'pennsylvania':4A 'records':15 'touch':2A 'warped':11C,12C
                                    'tag_tracknum'  25
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['hillbilly music', 'bluegrass gospel', 'bluegrass', 'hillbilly']
                                        'tag_date'  2011
                                     'discogstags'  ['bluegrass', 'folk, world, & country']

============================== file details ==============================
                                           'mtime'  1621628985.6121876  (2021-05-21 22:29:45)
                             'size'  11357452