======================== unified (from filesystem) ========================
                                         'bitrate'  '127.991'
                                        'duration'  '391'
                                          'artist'  'Blaze'
                                     'text_people'  ''
                                         'release'  'Lovelee Dae'
                                           'title'  'Lovelee Dae (Isolie mix)'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-2', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['house', 'metal', 'blaze bayley', 'deep house', 'heavy metal', 'electronic']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '6'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '126.174'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=196, count=0)
'TALB' (Album/Movie/Show title)                     'Lovelee Dae'
'TBPM' (BPM (beats per minute))                     '126.174'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Lovelee Dae (Isolie mix)'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Blaze'
'TPE2' (Band/orchestra/accompaniment)               'Blaze'
'TPUB' (Publisher)                                  'Substance'
'TRCK' (Track number/Position in set)               '5/6'
'TSOP' (Performer sort order)                       'Blaze'
'TXXX:ALBUMARTISTSORT'                              'Blaze'
'TXXX:CATALOGNUMBER'                                'SUB 4891.2'
'TXXX:MusicBrainz Album Artist Id'                  '65e331ed-ab1b-475a-81d1-4dad7e55043b'
'TXXX:MusicBrainz Album Id'                         '33e37fc4-21ff-4fa5-a754-76b233114812'
'TXXX:MusicBrainz Album Release Country'            'FR'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'single'
'TXXX:MusicBrainz Artist Id'                        '65e331ed-ab1b-475a-81d1-4dad7e55043b'
'TXXX:MusicIP PUID'                                 '3e72c368-342d-32dd-84c9-f73eb38c6f98'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['house', 'metal', 'blaze bayley', 'deep house', 'heavy metal', 'electronic']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.37 dB'
'TXXX:replaygain_track_peak'                        '0.570383'

========================== row from database ==========================
                                              'id'  1356525
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/lovely day (Isolee remix).mp3
                                         'working'  None
                                         'bitrate'  127
                                    'duration_sec'  391
                                           'genre'  electronic-unsorted
                                        'filesize'  6260748
                                           'mtime'  1620573168
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] lovely day (Isolee remix) electronic unsorted
                                      'tag_artist'  Blaze
                                     'tag_release'  Lovelee Dae
                                       'tag_title'  Lovelee Dae (Isolie mix)
                                             'bpm'  126.174
                                    'search_title'  'dae':2 'isolie':3,4 'lovelee':1 'mix':5,6
                                   'search_artist'  'blaze':1
                                  'search_release'  'dae':2 'lovelee':1
                                     'search_rest'  '00poprockelectronic':1 'day':8 'electronic':13 'files':5,6 'isolee':9,10 'loose':3,4 'lovely':7 'remix':11,12 'unsorted':2
                                    'search_combo'  '00poprockelectronic':10 'blaze':7B 'dae':2A,9C 'day':17 'electronic':22 'files':14,15 'isolee':18,19 'isolie':3A,4A 'loose':12,13 'lovelee':1A,8C 'lovely':16 'mix':5A,6A 'remix':20,21 'unsorted':11
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-1', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['house', 'metal', 'blaze bayley', 'deep house', 'heavy metal', 'electronic']
                                        'tag_date'  1998
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620573168.036873  (2021-05-09 17:12:48)
                             'size'  6260748