======================== unified (from filesystem) ========================
                                         'bitrate'  '245.201'
                                        'duration'  '270'
                                          'artist'  'Dinosaur Jr.'
                                     'text_people'  ''
                                         'release'  'Farm'
                                           'title'  'I Want You To Know'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'alternative', 'grunge', 'indie rock', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '12'
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '126.017'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'PRIV:http://www.cdtag.com:\x02\x00õ(m\x00'         PRIV(owner='http://www.cdtag.com', data=b'\x02\x00\xf5(m\x00')
'TALB' (Album/Movie/Show title)                     'Farm'
'TBPM' (BPM (beats per minute))                     '126.017'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2009-06-22'
'TIT2' (Title/songname/content description)         'I Want You To Know'
'TKEY' (Initial key)                                '11B'
'TLAN' (Language(s))                                'eng'
'TPE1' (Lead performer(s)/Soloist(s))               'Dinosaur Jr.'
'TPUB' (Publisher)                                  'Jagjaguwar'
'TRCK' (Track number/Position in set)               '2/12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:Release type'                                 'Normal release'
'TXXX:Rip date'                                     '2009-06-09'
'TXXX:Source'                                       'CD (LP)'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['indie', 'alternative', 'grunge', 'indie rock', 'rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.49 dB'
'TXXX:replaygain_track_peak'                        '0.358994'

========================== row from database ==========================
                                              'id'  1301624
                                            'path'  /data/Music/Bulk/00poprockelectronic/Dinosaur Jr/Farm/02-dinosaur_jr.-i_want_you_to_know.mp3
                                         'working'  None
                                         'bitrate'  245
                                    'duration_sec'  270
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  8290489
                                           'mtime'  1621697431
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 02 dinosaur_jr. i_want_you_to_know ifs songwriter indie rock
                                      'tag_artist'  Dinosaur Jr.
                                     'tag_release'  Farm
                                       'tag_title'  I Want You To Know
                                             'bpm'  126.017
                                    'search_title'  'i':1 'know':5 'to':4 'want':2 'you':3
                                   'search_artist'  'dinosaur':1 'jr':2,3
                                  'search_release'  'farm':1
                                     'search_rest'  '00poprockelectronic':1 'dinosaur':2,4 'i':6 'ifs':11 'indie':13 'jr':3,5 'know':10 'rock':14 'songwriter':12 'to':9 'want':7 'you':8
                                    'search_combo'  '00poprockelectronic':10 'dinosaur':6B,11,13 'farm':9C 'i':1A,15 'ifs':20 'indie':22 'jr':7B,8B,12,14 'know':5A,19 'rock':23 'songwriter':21 'to':4A,18 'want':2A,16 'you':3A,17
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'grunge', 'indie rock', 'rock']
                                        'tag_date'  2009
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1621697431.00542  (2021-05-22 17:30:31)
                             'size'  8290489