======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '156'
                                          'artist'  'Harry Roy & His Orchestra'
                                     'text_people'  ''
                                         'release'  'The Best of Jazz'
                                           'title'  'Bugle Call Rag'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['ed hits', 'all', 'jazz', 'oldies', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '14'
                                            'date'  '1935'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '121.119'
                                             'key'  '6A'
                                        'acoustid'  'ec6a41c9-a1b6-43c3-b456-76191348ca67'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'The Best of Jazz'
'TBPM' (BPM (beats per minute))                     '121.119'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDOR' (Original release time)                      '2002'
'TDRC' (Recording time)                             '1935'
'TIT2' (Title/songname/content description)         'Bugle Call Rag'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Harry Roy & His Orchestra'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '3/3'
'TPUB' (Publisher)                                  'EMI/EMI/EMI'
'TRCK' (Track number/Position in set)               '12/14'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Roy, Harry & His Orchestra'
'TXXX:Acoustid Id'                                  'ec6a41c9-a1b6-43c3-b456-76191348ca67'
'TXXX:BARCODE'                                      '724354154621'
'TXXX:CATALOGNUMBER'                                '5 41546 2/541 5462/7243 5 41546 2 1'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         'ac6d8d66-7027-4931-8ac7-e3231ea2fe59'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '3a40f8aa-9e16-49cf-b90f-d94b9252eb8f'
'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'                                   ['ed hits', 'all', 'jazz', 'oldies', 'swing']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+3.60 dB'
'TXXX:replaygain_track_peak'                        '0.407344'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'74ef3e31-496d-45e4-84e9-285b7c79fc01')

========================== row from database ==========================
                                              'id'  1524436
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/30_s collection/harry roy and his mayfair hotel orchestra - bugle call rag.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  156
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  2520678
                                           'mtime'  1620527883
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 30_s collection harry roy and his mayfair hotel orchestra bugle call rag prerock jb jazz unsorted
                                      'tag_artist'  Harry Roy & His Orchestra
                                     'tag_release'  The Best of Jazz
                                       'tag_title'  Bugle Call Rag
                                             'bpm'  121.119
                                    'search_title'  'bugle':1 'call':2 'rag':3
                                   'search_artist'  'harry':1 'his':3 'orchestra':4 'roy':2
                                  'search_release'  'best':2 'jazz':4 'of':3 'the':1
                                     'search_rest'  '30':5 'and':10 'bugle':15 'call':16 'collection':7 'country':4 'exotica':2 'harry':8 'his':11 'hotel':13 'jazz':1 'jb':19 'mayfair':12 'oldies':3 'orchestra':14 'prerock':18 'rag':17 'roy':9 's':6 'unsorted':20
                                    'search_combo'  '30':16 'and':21 'best':9C 'bugle':1A,26 'call':2A,27 'collection':18 'country':15 'exotica':13 'harry':4B,19 'his':6B,22 'hotel':24 'jazz':11C,12 'jb':30 'mayfair':23 'of':10C 'oldies':14 'orchestra':7B,25 'prerock':29 'rag':3A,28 'roy':5B,20 's':17 'the':8C 'unsorted':31
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['ed hits', 'all', 'jazz', 'oldies', 'swing']
                                        'tag_date'  1935
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620527882.8937948  (2021-05-09 04:38:02)
                             'size'  2520678