======================== unified (from filesystem) ========================
                                         'bitrate'  '40.0'
                                        'duration'  '1070'
                                          'artist'  'Robbie  Williams'
                                     'text_people'  'Guy Chambers/Robbie Williams'
                                         'release'  'gay top 100'
                                           'title'  'Feel'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'q-syn-2', 'Q-PLAY-2', 'q-bass-4', "
 "'q-busy-3', 'q-grit-2', 'Q-OLDST-3', 'Q-PIANO-2', 'q-chart-3', 'q-drums-2', "
 "'q-other-2', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-2', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['pop', 'britpop', 'british', 'rock', 'male vocalists']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted'
                                             'bpm'  '97.930'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'gay top 100'
'TBPM' (BPM (beats per minute))                     '97.930'
'TCMP'                                              '1'
'TCOM' (Composer)                                   'Guy Chambers/Robbie Williams'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-unsorted'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Feel'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Robbie  Williams'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Toshiba EMI'
'TRCK' (Track number/Position in set)               '15'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['pop', 'britpop', 'british', 'rock', 'male vocalists']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.74 dB'
'TXXX:replaygain_track_peak'                        '0.366892'

========================== row from database ==========================
                                              'id'  1346395
                                            'path'  /data/Music/Bulk/00poprockelectronic/gay top 100 - 2015/072 - Robbie Williams - Feel.mp3
                                         'working'  None
                                         'bitrate'  40
                                    'duration_sec'  1070
                                           'genre'  electronic-generic or radio-unsorted
                                        'filesize'  5355000
                                           'mtime'  1628353548
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 2015 072 electronic generic or radio unsorted
                                      'tag_artist'  Robbie  Williams
                                     'tag_release'  gay top 100
                                       'tag_title'  Feel
                                             'bpm'  97.93
                                    'search_title'  'feel':1
                                   'search_artist'  'robbie':1 'williams':2
                                  'search_release'  '100':3 'gay':1 'top':2
                                     'search_rest'  '00poprockelectronic':1 '2015':2 'electronic':3 'generic':4 'or':5 'radio':6 'unsorted':7
                                    'search_combo'  '00poprockelectronic':7 '100':6C '2015':8 'electronic':9 'feel':1A 'gay':4C 'generic':10 'or':11 'radio':12 'robbie':2B 'top':5C 'unsorted':13 'williams':3B
                                    'tag_tracknum'  15
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-2', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['pop', 'britpop', 'british', 'rock', 'male vocalists']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628353548.18495  (2021-08-07 18:25:48)
                             'size'  5355000