======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '353'
                                          'artist'  'Bill Callahan'
                                     'text_people'  ''
                                         'release'  'Apocalypse'
                                           'title'  'Universal Applicant'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['lo fi', 'alt country', 'indie rock', 'folk', 'singer songwriter']"
                                     'discogstags'  "['folk, world, & country', 'folk rock', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '7'
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-folk'
                                             'bpm'  '94'
                                             'key'  '6A'
                                        'acoustid'  '6feb6223-d164-43ab-bf27-3d0900b8eb3a'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Apocalypse'
'TBPM' (BPM (beats per minute))                     '94'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-folk'
'TDOR' (Original release time)                      '2011'
'TDRC' (Recording time)                             '2011-04-05'
'TIT2' (Title/songname/content description)         'Universal Applicant'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Bill Callahan'
'TPE2' (Band/orchestra/accompaniment)               'Bill Callahan'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Drag City'
'TRCK' (Track number/Position in set)               '4/7'
'TSO2'                                              'Callahan, Bill'
'TSOP' (Performer sort order)                       'Callahan, Bill'
'TXXX:ASIN'                                         'B004QL24GC'
'TXXX:Acoustid Id'                                  '6feb6223-d164-43ab-bf27-3d0900b8eb3a'
'TXXX:BARCODE'                                      '781484045021'
'TXXX:CATALOGNUMBER'                                'DC450CD'
'TXXX:MusicBrainz Album Artist Id'                  'c309d914-93af-4b3f-8058-d79c75ea89da'
'TXXX:MusicBrainz Album Id'                         'cfeefd88-295a-40b5-8d98-f1c120baffa8'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'c309d914-93af-4b3f-8058-d79c75ea89da'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['folk, world, & country', 'folk rock', 'indie rock']
'TXXX:involved people'                              'membranophone'
'TXXX:lastfmtags'                                   ['lo fi', 'alt country', 'indie rock', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.50 dB'
'TXXX:replaygain_track_peak'                        '0.891347'

========================== row from database ==========================
                                              'id'  1369335
                                            'path'  /data/Music/Bulk/00poprockelectronic/Apocalypse/04 Universal Applicant.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  353
                                           'genre'  ifs-songwriter-folk
                                        'filesize'  14907141
                                           'mtime'  1636400749
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 04 ifs songwriter folk
                                      'tag_artist'  Bill Callahan
                                     'tag_release'  Apocalypse
                                       'tag_title'  Universal Applicant
                                             'bpm'  94.0
                                    'search_title'  'applicant':2 'universal':1
                                   'search_artist'  'bill':1 'callahan':2
                                  'search_release'  'apocalypse':1
                                     'search_rest'  '00poprockelectronic':1 'folk':4 'ifs':2 'songwriter':3
                                    'search_combo'  '00poprockelectronic':6 'apocalypse':5C 'applicant':2A 'bill':3B 'callahan':4B 'folk':9 'ifs':7 'songwriter':8 'universal':1A
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['lo fi', 'alt country', 'indie rock', 'folk', 'singer songwriter']
                                        'tag_date'  2011
                                     'discogstags'  ['folk, world, & country', 'folk rock', 'indie rock']

============================== file details ==============================
                                           'mtime'  1636400748.6870148  (2021-11-08 20:45:48)
                             'size'  14907141