======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '312'
                                          'artist'  'The Velvet Underground'
                                     'text_people'  ''
                                         'release'  'The Velvet Underground & Nico'
                                           'title'  'Venus in Furs'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative', 'classic rock', 'proto punk', 'psychedelic', 'rock']"
                                     'discogstags'  "['rock', 'alternative rock', 'abstract', 'noise', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '11'
                                            'date'  '1986'
                                        'comments'  ''
                                           'genre'  'rock-cppex-classic;rock-cppex;rock-cppex-psychedelic'
                                             'bpm'  '144.1'
                                             'key'  '1A'
                                        'acoustid'  '400d8036-5781-4762-b33f-f56be96c9ecb'
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 000010A2 00000ACD 00002C01 00001EA2 000138AE 00013897 00005D5B 00005FB0 '
 '00004E37 00013897')
'TALB' (Album/Movie/Show title)                     'The Velvet Underground & Nico'
'TBPM' (BPM (beats per minute))                     '144.1'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-classic', 'rock-cppex', 'rock-cppex-psychedelic']
'TDOR' (Original release time)                      '1967'
'TDRC' (Recording time)                             '1986'
'TIT2' (Title/songname/content description)         'Venus in Furs'
'TKEY' (Initial key)                                '1A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'The Velvet Underground'
'TPE2' (Band/orchestra/accompaniment)               'The Velvet Underground'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Verve'
'TRCK' (Track number/Position in set)               '4/11'
'TSO2'                                              'Velvet Underground, The'
'TSOP' (Performer sort order)                       'Velvet Underground, The'
'TSRC' (ISRC (international standard recording code))  'USPR36602762/USPR36702762'
'TXXX:ASIN'                                         'B00000E5J1'
'TXXX:Acoustid Id'                                  '400d8036-5781-4762-b33f-f56be96c9ecb'
'TXXX:BARCODE'                                      '042282329028'
'TXXX:CATALOGNUMBER'                                '823 290-2'
'TXXX:MusicBrainz Album Artist Id'                  '94b0fb9d-a066-4823-b2ec-af1d324bcfcf'
'TXXX:MusicBrainz Album Id'                         '7a0fe329-9d54-4404-b493-853e8aaa1415'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '94b0fb9d-a066-4823-b2ec-af1d324bcfcf'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['rock', 'alternative rock', 'abstract', 'noise', 'experimental']
'TXXX:lastfmtags'                                   ['alternative', 'classic rock', 'proto punk', 'psychedelic', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'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'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.14 dB'
'TXXX:replaygain_track_peak'                        '0.480695'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'a97d28b9-85ba-4c60-86ea-a2b05c7f0a69')

========================== row from database ==========================
                                              'id'  1413260
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/The Velvet Underground - Velvet Underground/The Velvet Underground & Nico/04 - venus in furs.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  312
                                           'genre'  rock-cppex-classic;rock-cppex;rock-cppex-psychedelic
                                        'filesize'  5010017
                                           'mtime'  1636301326
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 04 venus furs rock cppex classic;rock cppex;rock cppex psychedelic
                                      'tag_artist'  The Velvet Underground
                                     'tag_release'  The Velvet Underground & Nico
                                       'tag_title'  Venus in Furs
                                             'bpm'  144.1
                                    'search_title'  'furs':3 'in':2 'venus':1
                                   'search_artist'  'the':1 'underground':3 'velvet':2
                                  'search_release'  'nico':4 'the':1 'underground':3 'velvet':2
                                     'search_rest'  'classic':6,8 'classicprogpsy':1 'cppex':5,10,12 'furs':3 'psychedelic':14 'rock':4,7,9,11,13 'venus':2
                                    'search_combo'  'classic':16,18 'classicprogpsy':11 'cppex':15,20,22 'furs':3A,13 'in':2A 'nico':10C 'psychedelic':24 'rock':14,17,19,21,23 'the':4B,7C 'underground':6B,9C 'velvet':5B,8C 'venus':1A,12
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['alternative', 'classic rock', 'proto punk', 'psychedelic', 'rock']
                                        'tag_date'  1986
                                     'discogstags'  ['rock', 'alternative rock', 'abstract', 'noise', 'experimental']

============================== file details ==============================
                                           'mtime'  1636301325.9349203  (2021-11-07 17:08:45)
                             'size'  5010017