======================== unified (from filesystem) ========================
                                         'bitrate'  '127.749'
                                        'duration'  '317'
                                          'artist'  'Lord Buckley'
                                     'text_people'  'Lord Buckley'
                                         'release'  'A Most Immaculately Hip Aristocrat'
                                           'title'  'Governor Slugwell'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-3', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['beatnick', 'jazz', 'comedy', 'spoken word', 'poetry']"
                                     'discogstags'  "['jazz', 'non-music', 'monolog', 'spoken word', 'poetry']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '144.028'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'Track 2'
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'TALB' (Album/Movie/Show title)                     'A Most Immaculately Hip Aristocrat'
'TBPM' (BPM (beats per minute))                     '144.028'
'TCOM' (Composer)                                   'Lord Buckley'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '1970'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIT2' (Title/songname/content description)         'Governor Slugwell'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Lord Buckley'
'TPE2' (Band/orchestra/accompaniment)               'Lord Buckley'
'TPUB' (Publisher)                                  'Bizarre'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['jazz', 'non-music', 'monolog', 'spoken word', 'poetry']
'TXXX:lastfmtags'                                   ['beatnick', 'jazz', 'comedy', 'spoken word', 'poetry']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.78 dB'
'TXXX:replaygain_track_peak'                        '0.500232'

========================== row from database ==========================
                                              'id'  1349937
                                            'path'  /data/Music/Bulk/00spent/lord buckley - a most immaculately hip aristocrat/(02) Lord Buckley - Governor Slugwell.mp3
                                         'working'  None
                                         'bitrate'  127
                                    'duration_sec'  317
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  5075917
                                           'mtime'  1620647437
                                   'redo_metaread'  0
                                        'rest_str'   00spent lord buckley most immaculately hip aristocrat (02) hip hop rnb rap turntablism
                                      'tag_artist'  Lord Buckley
                                     'tag_release'  A Most Immaculately Hip Aristocrat
                                       'tag_title'  Governor Slugwell
                                             'bpm'  144.028
                                    'search_title'  'governor':1 'slugwell':2
                                   'search_artist'  'buckley':2 'lord':1
                                  'search_release'  'a':1 'aristocrat':5 'hip':4 'immaculately':3 'most':2
                                     'search_rest'  '00spent':1 '02':8,9 'aristocrat':7 'buckley':3 'hip':6 'hop':10 'immaculately':5 'lord':2 'most':4 'rap':12 'rnb':11 'turntablism':13
                                    'search_combo'  '00spent':10 '02':17,18 'a':5C 'aristocrat':9C,16 'buckley':4B,12 'governor':1A 'hip':8C,15 'hop':19 'immaculately':7C,14 'lord':3B,11 'most':6C,13 'rap':21 'rnb':20 'slugwell':2A 'turntablism':22
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['beatnick', 'jazz', 'comedy', 'spoken word', 'poetry']
                                        'tag_date'  1970
                                     'discogstags'  ['jazz', 'non-music', 'monolog', 'spoken word', 'poetry']

============================== file details ==============================
                                           'mtime'  1620647437.396058  (2021-05-10 13:50:37)
                             'size'  5075917