======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '220'
                                          'artist'  '10,000 Maniacs'
                                     'text_people'  ''
                                         'release'  'Mtv Unplugged'
                                           'title'  'Trouble Me'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['90s', 'female vocalists', 'pop', 'rock', '80s', 'alternative']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '111.089'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Mtv Unplugged'
'TBPM' (BPM (beats per minute))                     '111.089'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '1993'
'TIT2' (Title/songname/content description)         'Trouble Me'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               '10,000 Maniacs'
'TRCK' (Track number/Position in set)               '10'
'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:lastfmtags'                                   ['90s', 'female vocalists', 'pop', 'rock', '80s', 'alternative']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.07 dB'
'TXXX:replaygain_track_peak'                        '0.543999'

========================== row from database ==========================
                                              'id'  1285232
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/10,000 Maniacs/Mtv Unplugged/10,000 Maniacs - Trouble Me (Mtv Unplugged).mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  220
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  4410862
                                           'mtime'  1637330342
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock (Mtv Unplugged) ifs songwriter indie rock
                                      'tag_artist'  10,000 Maniacs
                                     'tag_release'  Mtv Unplugged
                                       'tag_title'  Trouble Me
                                             'bpm'  111.089
                                    'search_title'  'me':2 'trouble':1
                                   'search_artist'  '000':2,4 '10':1,3 'maniacs':5
                                  'search_release'  'mtv':1 'unplugged':2
                                     'search_rest'  '00poprockelectronic':1 'ifs':8 'indie':10 'indierock':3 'mtv':4,5 'poprock':2 'rock':11 'songwriter':9 'unplugged':6,7
                                    'search_combo'  '000':4B,6B '00poprockelectronic':10 '10':3B,5B 'ifs':17 'indie':19 'indierock':12 'maniacs':7B 'me':2A 'mtv':8C,13,14 'poprock':11 'rock':20 'songwriter':18 'trouble':1A 'unplugged':9C,15,16
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['90s', 'female vocalists', 'pop', 'rock', '80s', 'alternative']
                                        'tag_date'  1993
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637330341.7139351  (2021-11-19 14:59:01)
                             'size'  4410862