======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '177'
                                          'artist'  'Joan Jett & The Blackhearts'
                                     'text_people'  'Alan Merrill/Jake Hooker'
                                         'release'  "Veronica's 80's Top 880 (2006)"
                                           'title'  "I Love Rock 'n Roll"
                                           'quals'  ("['Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['rock', 'classic rock', '80s', 'female vocalists', 'punk']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '223'
                                      'tracktotal'  ''
                                            'date'  '1982'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted'
                                             'bpm'  '95.393'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     "Veronica's 80's Top 880 (2006)"
'TBPM' (BPM (beats per minute))                     '95.393'
'TCOM' (Composer)                                   'Alan Merrill/Jake Hooker'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-unsorted'
'TCOP' (Copyright message)                          'A Power Bass Production'
'TDRC' (Recording time)                             '1982'
'TENC' (Encoded by)                                 'Exact Audio Copy  (secure mode)'
'TIT2' (Title/songname/content description)         "I Love Rock 'n Roll"
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Joan Jett & The Blackhearts'
'TPE2' (Band/orchestra/accompaniment)               'Joan Jett & The Blackhearts'
'TPUB' (Publisher)                                  'Blackheart'
'TRCK' (Track number/Position in set)               '223'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['rock', 'classic rock', '80s', 'female vocalists', 'punk']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+11.67 dB'
'TXXX:replaygain_track_peak'                        '0.135078'
'WXXX:'                                             WXXX(encoding=<Encoding.LATIN1: 0>, desc='', url='http://www.walravens.info/')

========================== row from database ==========================
                                              'id'  1519331
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/223 joan jett & the blackhearts - i love rock _n roll.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  177
                                           'genre'  electronic-generic or radio-unsorted
                                        'filesize'  4275255
                                           'mtime'  1620572677
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 223 joan jett the blackhearts love rock _n roll electronic generic or radio unsorted
                                      'tag_artist'  Joan Jett & The Blackhearts
                                     'tag_release'  Veronica's 80's Top 880 (2006)
                                       'tag_title'  I Love Rock 'n Roll
                                             'bpm'  95.393
                                    'search_title'  'i':1 'love':2 'n':4,5 'rock':3 'roll':6
                                   'search_artist'  'blackhearts':4 'jett':2 'joan':1 'the':3
                                  'search_release'  '2006':9,10 '80':4 '80s':6 '880':8 's':2,5 'top':7 'veronica':1 'veronicas':3
                                     'search_rest'  '00poprockelectronic':1 '223':7 'blackhearts':11 'electronic':16 'files':5,6 'generic':17 'jett':9 'joan':8 'loose':3,4 'love':12 'n':14 'or':18 'radio':19 'rock':13 'roll':15 'the':10 'unsorted':2
                                    'search_combo'  '00poprockelectronic':21 '2006':19C,20C '223':27 '80':14C '80s':16C '880':18C 'blackhearts':10B,31 'electronic':36 'files':25,26 'generic':37 'i':1A 'jett':8B,29 'joan':7B,28 'loose':23,24 'love':2A,32 'n':4A,5A,34 'or':38 'radio':39 'rock':3A,33 'roll':6A,35 's':12C,15C 'the':9B,30 'top':17C 'unsorted':22 'veronica':11C 'veronicas':13C
                                    'tag_tracknum'  223
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'classic rock', '80s', 'female vocalists', 'punk']
                                        'tag_date'  1982
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620572676.5941794  (2021-05-09 17:04:36)
                             'size'  4275255