======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '210'
                                          'artist'  'Republica'
                                     'text_people'  ''
                                         'release'  "100 Hits Of The 90'S"
                                           'title'  'Drop Dead Gorgeous (Radio Edit) '
                                           'quals'  ("['Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']")
                                      'lastfmtags'  "['90s', 'alternative', 'female vocalists', 'pop', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '68'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted'
                                             'bpm'  '135.910'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "100 Hits Of The 90'S"
'TBPM' (BPM (beats per minute))                     '135.910'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-unsorted'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Drop Dead Gorgeous (Radio Edit) '
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Republica'
'TRCK' (Track number/Position in set)               '68'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['90s', 'alternative', 'female vocalists', 'pop', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.45 dB'
'TXXX:replaygain_track_peak'                        '0.520463'

========================== row from database ==========================
                                              'id'  1325526
                                            'path'  /data/Music/Bulk/00poprockelectronic/90s/68 Drop Dead Gorgeous.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  210
                                           'genre'  electronic-generic or radio-unsorted
                                        'filesize'  8433450
                                           'mtime'  1620566773
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 90s 68 electronic generic radio unsorted
                                      'tag_artist'  Republica
                                     'tag_release'  100 Hits Of The 90'S
                                       'tag_title'  Drop Dead Gorgeous (Radio Edit) 
                                             'bpm'  135.91
                                    'search_title'  'dead':2 'drop':1 'edit':6,7 'gorgeous':3 'radio':4,5
                                   'search_artist'  'republica':1
                                  'search_release'  '100':1 '90':5 '90s':7 'hits':2 'of':3 's':6 'the':4
                                     'search_rest'  '00poprockelectronic':1 '68':3 '90s':2 'electronic':4 'generic':5 'radio':6 'unsorted':7
                                    'search_combo'  '00poprockelectronic':16 '100':9C '68':18 '90':13C '90s':15C,17 'dead':2A 'drop':1A 'edit':6A,7A 'electronic':19 'generic':20 'gorgeous':3A 'hits':10C 'of':11C 'radio':4A,5A,21 'republica':8B 's':14C 'the':12C 'unsorted':22
                                    'tag_tracknum'  68
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['90s', 'alternative', 'female vocalists', 'pop', 'rock']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620566773.1379132  (2021-05-09 15:26:13)
                             'size'  8433450