======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '259'
                                          'artist'  'Lenny Kravitz'
                                     'text_people'  ''
                                         'release'  '5'
                                           'title'  'Straight Cold Player'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-4', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative rock', 'alternative', 'pop', 'funk', 'rock']"
                                     'discogstags'  "['rock', 'pop rock', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '15'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'funk or soul-funk'
                                             'bpm'  '103.642'
                                             'key'  '9B'
                                        'acoustid'  '0e590303-13fc-4173-ae55-5f09c67e3404'
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'Gogo 160s Tag'
'TALB' (Album/Movie/Show title)                     '5'
'TBPM' (BPM (beats per minute))                     '103.642'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul-funk'
'TDOR' (Original release time)                      '1998'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Straight Cold Player'
'TKEY' (Initial key)                                '9B'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Lenny Kravitz'
'TPE2' (Band/orchestra/accompaniment)               'Lenny Kravitz'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Virgin'
'TRCK' (Track number/Position in set)               '10/15'
'TSO2'                                              'Kravitz, Lenny'
'TSOP' (Performer sort order)                       'Kravitz, Lenny'
'TSRC' (ISRC (international standard recording code))  'USVI29800221'
'TXXX:ASIN'                                         'B000TERKHS'
'TXXX:Acoustid Id'                                  '0e590303-13fc-4173-ae55-5f09c67e3404'
'TXXX:BARCODE'                                      '724384775858'
'TXXX:MusicBrainz Album Artist Id'                  '0ef3f425-9bd2-4216-9dd2-219d2fe90f1f'
'TXXX:MusicBrainz Album Id'                         '36d79ebb-54f2-4481-9e05-ebed779c7b4b'
'TXXX:MusicBrainz Album Release Country'            'XW'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '0ef3f425-9bd2-4216-9dd2-219d2fe90f1f'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '4'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['rock', 'pop rock', 'classic rock']
'TXXX:lastfmtags'                                   ['alternative rock', 'alternative', 'pop', 'funk', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.84 dB'
'TXXX:replaygain_track_peak'                        '0.510078'
'TXXX:tracknum'                                     '10'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'59a1a193-9fc5-48b3-ae40-bcef2cd86894')

========================== row from database ==========================
                                              'id'  1321675
                                            'path'  /data/Music/Bulk/00poprockelectronic/Lenny Kravitz/Lenny Kravitz_/[1998] 5/Lenny Kravitz - Straight Cold Player - 10.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  259
                                           'genre'  funk or soul-funk
                                        'filesize'  4158569
                                           'mtime'  1620665791
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Kravitz_ [1998] 10 funk or soul funk
                                      'tag_artist'  Lenny Kravitz
                                     'tag_release'  5
                                       'tag_title'  Straight Cold Player
                                             'bpm'  103.642
                                    'search_title'  'cold':2 'player':3 'straight':1
                                   'search_artist'  'kravitz':2 'lenny':1
                                  'search_release'  '5':1
                                     'search_rest'  '00poprockelectronic':1 '1998':3,4 'funk':5 'kravitz':2 'or':6 'soul':7
                                    'search_combo'  '00poprockelectronic':7 '1998':9,10 '5':6C 'cold':2A 'funk':11 'kravitz':5B,8 'lenny':4B 'or':12 'player':3A 'soul':13 'straight':1A
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-4', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', 'alternative', 'pop', 'funk', 'rock']
                                        'tag_date'  1998
                                     'discogstags'  ['rock', 'pop rock', 'classic rock']

============================== file details ==============================
                                           'mtime'  1620665790.5340717  (2021-05-10 18:56:30)
                             'size'  4158569