======================== unified (from filesystem) ========================
                                         'bitrate'  '215.674'
                                        'duration'  '47'
                                          'artist'  'Lauryn Hill'
                                     'text_people'  'Lauryn Hill'
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                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', 'Q-UNU-1', "
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                                      'lastfmtags'  "['rnb', 'female vocalists', 'soul', 'hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
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                                      'tracktotal'  ''
                                            'date'  '2017'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '126.726'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Miseducation of Lauryn Hill'
'TBPM' (BPM (beats per minute))                     '126.726'
'TCOM' (Composer)                                   'Lauryn Hill'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2017'
'TIT2' (Title/songname/content description)         'Intro'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Lauryn Hill'
'TPE2' (Band/orchestra/accompaniment)               'Lauryn Hill'
'TPUB' (Publisher)                                  'Sony Mid-Price'
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'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:WM/EncodingTime'                              '18446744073047924992'
'TXXX:WM/MediaPrimaryClassID'                       '{D1607DBC-E323-4BE2-86A1-48A42A28441E}'
'TXXX:WM/Provider'                                  'AMG'
'TXXX:WM/ProviderRating'                            '9'
'TXXX:WM/ProviderStyle'                             'R&B'
'TXXX:WM/UniqueFileIdentifier'                      'AMGa_id=R   373833;AMGp_id=P   222973;AMGt_id=T  2238734'
'TXXX:WM/Year'                                      '1998'
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'TXXX:lastfmtags'                                   ['rnb', 'female vocalists', 'soul', 'hip hop']
'TXXX:original release date'                        ['1998', '2017']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.04 dB'
'TXXX:replaygain_track_peak'                        '0.776196'

========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Lauryn Hill/01-Intro.wma.mp3
                                         'working'  None
                                         'bitrate'  215
                                    'duration_sec'  47
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  1289762
                                           'mtime'  1620585387
                                   'redo_metaread'  0
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                                      'tag_artist'  Lauryn Hill
                                     'tag_release'  The Miseducation of Lauryn Hill
                                       'tag_title'  Intro
                                             'bpm'  126.726
                                    'search_title'  'intro':1
                                   'search_artist'  'hill':2 'lauryn':1
                                  'search_release'  'hill':5 'lauryn':4 'miseducation':2 'of':3 'the':1
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                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-3', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rnb', 'female vocalists', 'soul', 'hip hop']
                                        'tag_date'  2017
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620585387.0127308  (2021-05-09 20:36:27)
                             'size'  1289762