======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '160'
                                          'artist'  'edith massey'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "big girls don't cry"
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', "
 "'q-grit-2', 'q-play-3', 'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', "
 "'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-2', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['punk', 'pop-punk', 'camp', 'john waters related']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-cover or covered-styled;set-cover or covered'
                                             'bpm'  '101.0'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '101.0'
'TCON' (Content type, a.k.a. Genre)                 ['set-cover or covered-styled', 'set-cover or covered']
'TIT2' (Title/songname/content description)         "big girls don't cry"
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'edith massey'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['punk', 'pop-punk', 'camp', 'john waters related']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.23 dB'
'TXXX:replaygain_track_peak'                        '0.470372'

========================== row from database ==========================
                                              'id'  1500544
                                            'path'  /data/Music/Bulk/00spent/Bizarre Covers/edith massey - big girls don_t cry.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  160
                                           'genre'  set-cover or covered-styled;set-cover or covered
                                        'filesize'  2572160
                                           'mtime'  1620350571
                                   'redo_metaread'  0
                                        'rest_str'   00spent Bizarre Covers don_t set cover or covered styled;set cover or covered
                                      'tag_artist'  edith massey
                                     'tag_release'  None
                                       'tag_title'  big girls don't cry
                                             'bpm'  101.0
                                    'search_title'  'big':1 'cry':6 'don':3 'dont':5 'girls':2 't':4
                                   'search_artist'  'edith':1 'massey':2
                                  'search_release'  
                                     'search_rest'  '00spent':1 'bizarre':2 'cover':7 'covered':9 'covers':3 'don':4 'or':8 'set':6,11,13 'styled':10,12 't':5
                                    'search_combo'  '00spent':9 'big':1A 'bizarre':10 'cover':15 'covered':17 'covers':11 'cry':6A 'don':3A,12 'dont':5A 'edith':7B 'girls':2A 'massey':8B 'or':16 'set':14,19,21 'styled':18,20 't':4A,13
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['punk', 'pop-punk', 'camp', 'john waters related']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620350571.3884156  (2021-05-07 03:22:51)
                             'size'  2572160