======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '428'
                                          'artist'  'Laurie Anderson'
                                     'text_people'  'Laurie Anderson'
                                         'release'  'Mister Heartbreak'
                                           'title'  'Blue Lagoon'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-UNU-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['electronic', 'female vocalists', 'avant garde', 'spoken word', "
 "'experimental']")
                                     'discogstags'  "['electronic', 'rock', 'electro', 'pop rock', 'avantgarde']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '7'
                                            'date'  '1984'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '100.2'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Mister Heartbreak'
'TBPM' (BPM (beats per minute))                     '100.2'
'TCOM' (Composer)                                   'Laurie Anderson'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDOR' (Original release time)                      '1983'
'TDRC' (Recording time)                             '1984'
'TIT2' (Title/songname/content description)         'Blue Lagoon'
'TKEY' (Initial key)                                '6B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Laurie Anderson'
'TPE2' (Band/orchestra/accompaniment)               'Laurie Anderson'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Warner Bros. Records'
'TRCK' (Track number/Position in set)               '6/7'
'TSO2'                                              'Anderson, Laurie'
'TSOP' (Performer sort order)                       'Anderson, Laurie'
'TXXX:BARCODE'                                      '075992507721'
'TXXX:CATALOGNUMBER'                                '9 25077-2'
'TXXX:MusicBrainz Album Artist Id'                  '86809b51-cbe2-45f1-804a-e66eed635dea'
'TXXX:MusicBrainz Album Id'                         '52ce1700-94d6-4862-8348-bad7996bb813'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '86809b51-cbe2-45f1-804a-e66eed635dea'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic', 'rock', 'electro', 'pop rock', 'avantgarde']
'TXXX:lastfmtags'                                   ['electronic', 'female vocalists', 'avant garde', 'spoken word', 'experimental']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+2.35 dB'
'TXXX:replaygain_track_peak'                        '0.866009'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'2e723c2a-0abd-4ed9-8efb-eede08c67d09')

========================== row from database ==========================
                                              'id'  1536577
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Laurie Anderson/1984 - Mister Heartbreak/Laurie Anderson - Mister Heartbreak - 06 - Blue Lagoon.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  428
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  17179416
                                           'mtime'  1620539473
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 1984 06 electronic experimental oddness
                                      'tag_artist'  Laurie Anderson
                                     'tag_release'  Mister Heartbreak
                                       'tag_title'  Blue Lagoon
                                             'bpm'  100.2
                                    'search_title'  'blue':1 'lagoon':2
                                   'search_artist'  'anderson':2 'laurie':1
                                  'search_release'  'heartbreak':2 'mister':1
                                     'search_rest'  '1984':1 'electronic':2 'experimental':3 'oddness':4
                                    'search_combo'  '1984':7 'anderson':4B 'blue':1A 'electronic':8 'experimental':9 'heartbreak':6C 'lagoon':2A 'laurie':3B 'mister':5C 'oddness':10
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-UNU-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']
                                      'lastfmtags'  ['electronic', 'female vocalists', 'avant garde', 'spoken word', 'experimental']
                                        'tag_date'  1984
                                     'discogstags'  ['electronic', 'rock', 'electro', 'pop rock', 'avantgarde']

============================== file details ==============================
                                           'mtime'  1620539473.404821  (2021-05-09 07:51:13)
                             'size'  17179416