======================== unified (from filesystem) ========================
                                         'bitrate'  '217.212'
                                        'duration'  '297'
                                          'artist'  'Tom Waits'
                                     'text_people'  'Al Jolson; Buddy DeSylva; Meyer; Tom Waits'
                                         'release'  'The Beat Generation'
                                           'title'  'Jack & Neal / California Here I Come'
                                           'quals'  ("['Q-JZFKS-2', 'Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-2', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['blues', 'rock', 'alternative', 'experimental', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '16'
                                            'date'  '1992'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-bebop or cool or beat'
                                             'bpm'  '114'
                                             'key'  '3B'
                                        'acoustid'  'b43b506f-d885-44c9-9acc-745e02c252e2'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'The Beat Generation'
'TBPM' (BPM (beats per minute))                     '114'
'TCMP'                                              '1'
'TCOM' (Composer)                                   'Al Jolson; Buddy DeSylva; Meyer; Tom Waits'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-bebop or cool or beat'
'TDOR' (Original release time)                      '1992'
'TDRC' (Recording time)                             '1992-11-24'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['producer', 'James Austin']])
'TIT2' (Title/songname/content description)         'Jack & Neal / California Here I Come'
'TKEY' (Initial key)                                '3B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Tom Waits'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '3/3'
'TPUB' (Publisher)                                  'Rhino'
'TRCK' (Track number/Position in set)               '1/16'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Waits, Tom'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf56.40.101'
'TXXX:ASIN'                                         'B0000032DM'
'TXXX:Acoustid Id'                                  'b43b506f-d885-44c9-9acc-745e02c252e2'
'TXXX:Artists'                                      'Tom Waits'
'TXXX:AverageLevel'                                 '4987'
'TXXX:BARCODE'                                      '081227028121'
'TXXX:CATALOGNUMBER'                                '70281'
'TXXX:DeviceConformanceTemplate'                    'L1'
'TXXX:IsVBR'                                        '0'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         'e42753f3-76c7-453d-985d-ffbae2367e62'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        'c3aeb863-7b26-4388-94e8-5a240f2be21b'
'TXXX:MusicBrainz Release Group Id'                 '1d957aca-1e41-36fe-9010-a27527e822d7'
'TXXX:MusicBrainz Release Track Id'                 '093a339b-30b7-3e91-8687-28afcde1a3c7'
'TXXX:PeakValue'                                    '26913'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:WM/EncodingTime'                              '18446744072786454528'
'TXXX:WM/MediaPrimaryClassID'                       '{D1607DBC-E323-4BE2-86A1-48A42A28441E}'
'TXXX:WM/Provider'                                  'AMG'
'TXXX:WM/ProviderRating'                            '8'
'TXXX:WM/ProviderStyle'                             'Rock'
'TXXX:WM/UniqueFileIdentifier'                      'AMGa_id=R    22881;AMGp_id=VA;AMGt_id=T   875954'
'TXXX:WM/WMADRCAverageReference'                    '3980'
'TXXX:WM/WMADRCPeakReference'                       '32766'
'TXXX:WM/Year'                                      '1992'
'TXXX:WMFSDKNeeded'                                 '0.0.0.0000'
'TXXX:WMFSDKVersion'                                '9.00.00.2980'
'TXXX:lastfmtags'                                   ['blues', 'rock', 'alternative', 'experimental', 'singer songwriter']
'TXXX:originalyear'                                 '1992'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'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'                        '+0.47 dB'
'TXXX:replaygain_track_peak'                        '1.056754'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'6d0c09bd-b38e-49ff-b53c-e9cc0c78bb81')

========================== row from database ==========================
                                              'id'  968742
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/The.Beat.Generation/The Beat Generation Disc 3/The Beat Generation - 01 - Tom Waits - Jack and Neal. California, Here I Come.wma.mp3
                                         'working'  None
                                         'bitrate'  217
                                    'duration_sec'  297
                                           'genre'  prerock-jb-jazz-bebop or cool or beat
                                        'filesize'  8118133
                                           'mtime'  1639508227
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country The.Beat.Generation Disc 3 01 and Neal. California, Come.wma prerock jb jazz bebop cool beat
                                      'tag_artist'  Tom Waits
                                     'tag_release'  The Beat Generation
                                       'tag_title'  Jack & Neal / California Here I Come
                                             'bpm'  114.0
                                    'search_title'  'california':3 'come':6 'here':4 'i':5 'jack':1 'neal':2
                                   'search_artist'  'tom':1 'waits':2
                                  'search_release'  'beat':2 'generation':3 'the':1
                                     'search_rest'  '3':10 'and':11 'beat':6,23 'bebop':21 'california':14,15 'come':16 'comewma':18 'cool':22 'country':4 'disc':9 'exotica':2 'generation':7 'jazz':1 'jb':20 'neal':12,13 'oldies':3 'prerock':19 'the':5 'thebeatgeneration':8 'wma':17
                                    'search_combo'  '3':21 'and':22 'beat':10C,17,34 'bebop':32 'california':3A,25,26 'come':6A,27 'comewma':29 'cool':33 'country':15 'disc':20 'exotica':13 'generation':11C,18 'here':4A 'i':5A 'jack':1A 'jazz':12 'jb':31 'neal':2A,23,24 'oldies':14 'prerock':30 'the':9C,16 'thebeatgeneration':19 'tom':7B 'waits':8B 'wma':28
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  3B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['blues', 'rock', 'alternative', 'experimental', 'singer songwriter']
                                        'tag_date'  1992
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1639508227.333518  (2021-12-14 19:57:07)
                             'size'  8118133