======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '288'
                                          'artist'  'Lenny Kravitz'
                                     'text_people'  ''
                                         'release'  'Circus'
                                           'title'  'Circus'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative rock', 'alternative', 'pop', 'funk', 'rock']"
                                     'discogstags'  "['rock', 'funk / soul', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '11'
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '144.438'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '02'
'TALB' (Album/Movie/Show title)                     'Circus'
'TBPM' (BPM (beats per minute))                     '144.438'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDOR' (Original release time)                      '1995'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Circus'
'TKEY' (Initial key)                                '4A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Lenny Kravitz'
'TPE2' (Band/orchestra/accompaniment)               'Lenny Kravitz'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Virgin Records America'
'TRCK' (Track number/Position in set)               '2/11'
'TSO2'                                              'Kravitz, Lenny'
'TSOP' (Performer sort order)                       'Kravitz, Lenny'
'TXXX:BARCODE'                                      '724384069629'
'TXXX:CATALOGNUMBER'                                'CDVUS 86'
'TXXX:MusicBrainz Album Artist Id'                  '0ef3f425-9bd2-4216-9dd2-219d2fe90f1f'
'TXXX:MusicBrainz Album Id'                         'c47a8a79-35bb-4699-8c89-6e6002dfc929'
'TXXX:MusicBrainz Album Release Country'            'XE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '0ef3f425-9bd2-4216-9dd2-219d2fe90f1f'
'TXXX:Q-HAP'                                        '2'
'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', 'funk / soul', 'pop']
'TXXX:lastfmtags'                                   ['alternative rock', 'alternative', 'pop', 'funk', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+4.36 dB'
'TXXX:replaygain_track_peak'                        '0.889012'
'TXXX:tracknum'                                     '02'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'666e4210-90ef-42aa-89a8-4946ad8872ee')

========================== row from database ==========================
                                              'id'  1289641
                                            'path'  /data/Music/Bulk/00poprockelectronic/Lenny Kravitz/Lenny Kravitz_/[1995] Circus/Lenny Kravitz - Circus - 02.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  288
                                           'genre'  rock-unsorted
                                        'filesize'  4617999
                                           'mtime'  1638551019
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Kravitz_ [1995] 02 rock unsorted
                                      'tag_artist'  Lenny Kravitz
                                     'tag_release'  Circus
                                       'tag_title'  Circus
                                             'bpm'  144.438
                                    'search_title'  'circus':1
                                   'search_artist'  'kravitz':2 'lenny':1
                                  'search_release'  'circus':1
                                     'search_rest'  '00poprockelectronic':1 '1995':3,4 'kravitz':2 'rock':5 'unsorted':6
                                    'search_combo'  '00poprockelectronic':5 '1995':7,8 'circus':1A,4C 'kravitz':3B,6 'lenny':2B 'rock':9 'unsorted':10
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', 'alternative', 'pop', 'funk', 'rock']
                                        'tag_date'  1995
                                     'discogstags'  ['rock', 'funk / soul', 'pop']

============================== file details ==============================
                                           'mtime'  1638551019.056592  (2021-12-03 18:03:39)
                             'size'  4617999