======================== unified (from filesystem) ========================
                                         'bitrate'  '194.846'
                                        'duration'  '185'
                                          'artist'  'Tom Waits'
                                     'text_people'  ''
                                         'release'  'The Heart of Saturday Night'
                                           'title'  'Diamonds on My Windshield'
                                           'quals'  ("['Q-JZFKS-2', 'Q-HAP-2', 'Q-LOCALNESS-2', 'Q-UNU-2', 'Q-OLDST-3', "
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 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
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                                      'lastfmtags'  "['blues', 'rock', 'alternative', 'experimental', 'singer songwriter']"
                                     'discogstags'  "['jazz', 'blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '11'
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos'
                                             'bpm'  '95'
                                             'key'  '3A'
                                        'acoustid'  '0cdb18e3-bfdc-4752-b730-7dcea2f7829e'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'The Heart of Saturday Night'
'TBPM' (BPM (beats per minute))                     '95'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-eos'
'TDOR' (Original release time)                      '1974'
'TDRC' (Recording time)                             '1990'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['double bass', 'Jim Hughart']])
'TIT2' (Title/songname/content description)         'Diamonds on My Windshield'
'TKEY' (Initial key)                                '3A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Tom Waits'
'TPE2' (Band/orchestra/accompaniment)               'Tom Waits'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Asylum Records'
'TRCK' (Track number/Position in set)               '5/11'
'TSO2'                                              'Waits, Tom'
'TSOP' (Performer sort order)                       'Waits, Tom'
'TSRC' (ISRC (international standard recording code))  'USEP41718399'
'TXXX:ASIN'                                         'B000002GXS'
'TXXX:Acoustid Id'                                  '0cdb18e3-bfdc-4752-b730-7dcea2f7829e'
'TXXX:Artists'                                      'Tom Waits'
'TXXX:BARCODE'                                      '075596059725'
'TXXX:CATALOGNUMBER'                                '1015-2'
'TXXX:MusicBrainz Album Artist Id'                  'c3aeb863-7b26-4388-94e8-5a240f2be21b'
'TXXX:MusicBrainz Album Id'                         '1828741e-e2b7-382e-968e-bc536eb154e2'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'c3aeb863-7b26-4388-94e8-5a240f2be21b'
'TXXX:MusicBrainz Release Group Id'                 '02e8018b-9dfe-35f4-99a1-6759c8b5f41c'
'TXXX:MusicBrainz Release Track Id'                 '96a7612f-a627-3cf5-8ed6-045aa4ac7ca8'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['jazz', 'blues']
'TXXX:lastfmtags'                                   ['blues', 'rock', 'alternative', 'experimental', 'singer songwriter']
'TXXX:originalyear'                                 '1974'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.05 dB'
'TXXX:replaygain_track_peak'                        '0.915527'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'8ee44e2a-cae8-4a78-93f2-1d2784b6a50f')

========================== row from database ==========================
                                              'id'  1378221
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/00songwriter-eos/Tom Waits/1974 - The Heart of Saturday Night/MBZ;#Tom Waits;#The Heart of Saturday Night;#05;#Diamonds on My Windshield.mp3
                                         'working'  None
                                         'bitrate'  194
                                    'duration_sec'  185
                                           'genre'  ifs-songwriter-eos
                                        'filesize'  4613216
                                           'mtime'  1639508239
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 00songwriter eos 1974 MBZ;#Tom Waits;#The Night;#05;#Diamonds ifs songwriter eos
                                      'tag_artist'  Tom Waits
                                     'tag_release'  The Heart of Saturday Night
                                       'tag_title'  Diamonds on My Windshield
                                             'bpm'  95.0
                                    'search_title'  'diamonds':1 'my':3 'on':2 'windshield':4
                                   'search_artist'  'tom':1 'waits':2
                                  'search_release'  'heart':2 'night':5 'of':3 'saturday':4 'the':1
                                     'search_rest'  '00singer':1 '00songwriter':4 '05':15,18 '1974':5 'diamonds':16,19 'eos':3 'ifs':20 'mbz':6,8 'night':14,17 'songwriter':2 'the':11,13 'tom':7,9 'waits':10,12
                                    'search_combo'  '00singer':12 '00songwriter':15 '05':26,29 '1974':16 'diamonds':1A,27,30 'eos':14 'heart':8C 'ifs':31 'mbz':17,19 'my':3A 'night':11C,25,28 'of':9C 'on':2A 'saturday':10C 'songwriter':13 'the':7C,22,24 'tom':5B,18,20 'waits':6B,21,23 'windshield':4A
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['blues', 'rock', 'alternative', 'experimental', 'singer songwriter']
                                        'tag_date'  1990
                                     'discogstags'  ['jazz', 'blues']

============================== file details ==============================
                                           'mtime'  1639508238.7117968  (2021-12-14 19:57:18)
                             'size'  4613216