======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '189'
                                          'artist'  'David Bowie'
                                     'text_people'  ''
                                         'release'  'Pin Ups'
                                           'title'  'Here Comes the Night'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['classic rock', '80s', 'alternative', 'rock', 'glam rock']"
                                     'discogstags'  "['rock', 'classic rock', 'glam']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '14'
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos'
                                             'bpm'  '98.693'
                                             'key'  '12B'
                                        'acoustid'  '6aa29c44-4bd6-43bd-bb0e-acc91f839c73'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Pin Ups'
'TBPM' (BPM (beats per minute))                     '98.693'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-eos'
'TDOR' (Original release time)                      '1973'
'TDRC' (Recording time)                             '1990'
'TIT2' (Title/songname/content description)         'Here Comes the Night'
'TKEY' (Initial key)                                '12B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'David Bowie'
'TPE2' (Band/orchestra/accompaniment)               'David Bowie'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Rykodisc'
'TRCK' (Track number/Position in set)               '2/14'
'TSO2'                                              'Bowie, David'
'TSOP' (Performer sort order)                       'Bowie, David'
'TSRC' (ISRC (international standard recording code))  'USJT11500219/USJT19900069'
'TXXX:Acoustid Id'                                  '6aa29c44-4bd6-43bd-bb0e-acc91f839c73'
'TXXX:CATALOGNUMBER'                                'RCD 10136'
'TXXX:MusicBrainz Album Artist Id'                  '5441c29d-3602-4898-b1a1-b77fa23b8e50'
'TXXX:MusicBrainz Album Id'                         '4abe64de-327b-37fd-a233-c9843f70c868'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '5441c29d-3602-4898-b1a1-b77fa23b8e50'
'TXXX:Q-HAP'                                        '3'
'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'                                  ['rock', 'classic rock', 'glam']
'TXXX:lastfmtags'                                   ['classic rock', '80s', 'alternative', 'rock', 'glam rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.09 dB'
'TXXX:replaygain_track_peak'                        '0.570084'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'd486f8c5-e19d-4892-a808-4047cd05d786')

========================== row from database ==========================
                                              'id'  200289
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/David Bowie/David Bowie - 1973 - Pin Ups/MBZ;#David Bowie;#Pin Ups;#0000-00-00;#02;#Here Comes the Night.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  189
                                           'genre'  ifs-songwriter-eos
                                        'filesize'  3026479
                                           'mtime'  1623430282
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 1973 MBZ;#David Bowie;#Pin Ups;#0000 00 00;#02;#Here ifs songwriter eos
                                      'tag_artist'  David Bowie
                                     'tag_release'  Pin Ups
                                       'tag_title'  Here Comes the Night
                                             'bpm'  98.693
                                    'search_title'  'comes':2 'here':1 'night':4 'the':3
                                   'search_artist'  'bowie':2 'david':1
                                  'search_release'  'pin':1 'ups':2
                                     'search_rest'  '00':17,18,21 '0000':14,16 '00singer':1 '02':19,22 '1973':4 'bowie':9,11 'david':6,8 'eos':3 'here':20,23 'ifs':24 'mbz':5,7 'pin':10,12 'songwriter':2 'ups':13,15
                                    'search_combo'  '00':25,26,29 '0000':22,24 '00singer':9 '02':27,30 '1973':12 'bowie':6B,17,19 'comes':2A 'david':5B,14,16 'eos':11 'here':1A,28,31 'ifs':32 'mbz':13,15 'night':4A 'pin':7C,18,20 'songwriter':10 'the':3A 'ups':8C,21,23
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['classic rock', '80s', 'alternative', 'rock', 'glam rock']
                                        'tag_date'  1990
                                     'discogstags'  ['rock', 'classic rock', 'glam']

============================== file details ==============================
                                           'mtime'  1623430281.608102  (2021-06-11 18:51:21)
                             'size'  3026479