======================== unified (from filesystem) ========================
                                         'bitrate'  '112.0'
                                        'duration'  '197'
                                          'artist'  'Bing Crosby'
                                     'text_people'  ''
                                         'release'  'Bing! His Legendary Years 1931 - 1957'
                                           'title'  'I Apologize'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['crooners', 'jazz', 'christmas', 'oldies', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '24'
                                            'date'  '1935'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-soft-swing'
                                             'bpm'  '145.580'
                                             'key'  '4A'
                                        'acoustid'  '164f5d86-6df6-4580-84f4-8afe983468d7'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Bing! His Legendary Years 1931 - 1957'
'TBPM' (BPM (beats per minute))                     '145.580'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-soft-swing'
'TDOR' (Original release time)                      '1993'
'TDRC' (Recording time)                             '1935'
'TIT2' (Title/songname/content description)         'I Apologize'
'TKEY' (Initial key)                                '4A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Bing Crosby'
'TPE2' (Band/orchestra/accompaniment)               'Bing Crosby'
'TPOS' (Part of a set)                              '1/4'
'TPUB' (Publisher)                                  'MCA Records'
'TRCK' (Track number/Position in set)               '7/24'
'TSO2'                                              'Crosby, Bing'
'TSOP' (Performer sort order)                       'Crosby, Bing'
'TXXX:ASIN'                                         'B000002OPK'
'TXXX:Acoustid Id'                                  '164f5d86-6df6-4580-84f4-8afe983468d7'
'TXXX:CATALOGNUMBER'                                'MCAD4-10887'
'TXXX:MusicBrainz Album Artist Id'                  '2437980f-513a-44fc-80f1-b90d9d7fcf8f'
'TXXX:MusicBrainz Album Id'                         'd138cc06-1c76-4162-a981-c815995c784f'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '2437980f-513a-44fc-80f1-b90d9d7fcf8f'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['crooners', 'jazz', 'christmas', 'oldies', 'swing']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.59 dB'
'TXXX:replaygain_track_peak'                        '0.506995'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'42cf603f-def9-448d-be8c-9aa37f8d6d7c')

========================== row from database ==========================
                                              'id'  1522847
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/30_s collection/victor young & his brunswick orchestra, v=bing crosby - i apologize 1931 (brunswick 78rpm).mp3
                                         'working'  None
                                         'bitrate'  112
                                    'duration_sec'  197
                                           'genre'  prerock-jb-jazz-soft-swing
                                        'filesize'  2776683
                                           'mtime'  1620527986
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 30_s collection victor young & his brunswick orchestra, v=bing crosby apologize (brunswick 78rpm) prerock jb jazz soft swing
                                      'tag_artist'  Bing Crosby
                                     'tag_release'  Bing! His Legendary Years 1931 - 1957
                                       'tag_title'  I Apologize
                                             'bpm'  145.58
                                    'search_title'  'apologize':2 'i':1
                                   'search_artist'  'bing':1 'crosby':2
                                  'search_release'  '1931':5 '1957':6 'bing':1 'his':2 'legendary':3 'years':4
                                     'search_rest'  '30':5 '78rpm':19,20 'apologize':17 'bing':15 'brunswick':11,18 'collection':7 'country':4 'crosby':16 'exotica':2 'his':10 'jazz':1 'jb':22 'oldies':3 'orchestra':12,13 'prerock':21 's':6 'soft':23 'swing':24 'v':14 'victor':8 'young':9
                                    'search_combo'  '1931':9C '1957':10C '30':15 '78rpm':29,30 'apologize':2A,27 'bing':3B,5C,25 'brunswick':21,28 'collection':17 'country':14 'crosby':4B,26 'exotica':12 'his':6C,20 'i':1A 'jazz':11 'jb':32 'legendary':7C 'oldies':13 'orchestra':22,23 'prerock':31 's':16 'soft':33 'swing':34 'v':24 'victor':18 'years':8C 'young':19
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['crooners', 'jazz', 'christmas', 'oldies', 'swing']
                                        'tag_date'  1935
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620527985.5892076  (2021-05-09 04:39:45)
                             'size'  2776683