======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '291'
                                          'artist'  'Rufus Wainwright'
                                     'text_people'  'Rufus Wainwright'
                                         'release'  'Want One'
                                           'title'  "I Don't Know What It Is"
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
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 "'q-chart-4', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'alternative', 'canadian', 'folk', 'singer songwriter']"
                                     'discogstags'  "['rock', 'pop rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '146.000'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Want One'
'TBPM' (BPM (beats per minute))                     '146.000'
'TCOM' (Composer)                                   'Rufus Wainwright'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         "I Don't Know What It Is"
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Rufus Wainwright'
'TPE2' (Band/orchestra/accompaniment)               'Rufus Wainwright'
'TPUB' (Publisher)                                  'DreamWorks'
'TRCK' (Track number/Position in set)               '2'
'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:discogstags'                                  ['rock', 'pop rock']
'TXXX:lastfmtags'                                   ['indie', 'alternative', 'canadian', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.21 dB'
'TXXX:replaygain_track_peak'                        '0.320512'

========================== row from database ==========================
                                              'id'  1520341
                                            'path'  /data/Music/Bulk/00poprockelectronic/Rufus Wainwright_/Want One/02 I Don_t Know What It Is.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  291
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  6995468
                                           'mtime'  1621852164
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Wainwright_ 02 Don_t ifs songwriter indie unsorted
                                      'tag_artist'  Rufus Wainwright
                                     'tag_release'  Want One
                                       'tag_title'  I Don't Know What It Is
                                             'bpm'  146.0
                                    'search_title'  'don':2 'dont':4 'i':1 'is':8 'it':7 'know':5 't':3 'what':6
                                   'search_artist'  'rufus':1 'wainwright':2
                                  'search_release'  'one':2 'want':1
                                     'search_rest'  '00poprockelectronic':1 'don':3 'ifs':5 'indie':7 'songwriter':6 't':4 'unsorted':8 'wainwright':2
                                    'search_combo'  '00poprockelectronic':13 'don':2A,15 'dont':4A 'i':1A 'ifs':17 'indie':19 'is':8A 'it':7A 'know':5A 'one':12C 'rufus':9B 'songwriter':18 't':3A,16 'unsorted':20 'wainwright':10B,14 'want':11C 'what':6A
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-2', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['indie', 'alternative', 'canadian', 'folk', 'singer songwriter']
                                        'tag_date'  2003
                                     'discogstags'  ['rock', 'pop rock']

============================== file details ==============================
                                           'mtime'  1621852163.8114705  (2021-05-24 12:29:23)
                             'size'  6995468