======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '209'
                                          'artist'  'Barry Manilow'
                                     'text_people'  ''
                                         'release'  'The Manilow Collection'
                                           'title'  'Mandy'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'soft rock', 'oldies', 'pop', 'easy listening']"
                                     'discogstags'  "['vocal', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1989'
                                        'comments'  ''
                                           'genre'  'rock-pop-soft'
                                             'bpm'  '104.877'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Manilow Collection'
'TBPM' (BPM (beats per minute))                     '104.877'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-soft'
'TDOR' (Original release time)                      '1989'
'TDRC' (Recording time)                             '1989'
'TIT2' (Title/songname/content description)         'Mandy'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Barry Manilow'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['vocal', 'pop']
'TXXX:lastfmtags'                                   ['80s', 'soft rock', 'oldies', 'pop', 'easy listening']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.12 dB'
'TXXX:replaygain_track_peak'                        '0.506289'

========================== row from database ==========================
                                              'id'  1293627
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Barry Manilow__The Manilow Collection__cifsb11a.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  209
                                           'genre'  rock-pop-soft
                                        'filesize'  3350195
                                           'mtime'  1620736586
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] Manilow__The Collection__cifsb11a rock pop soft
                                      'tag_artist'  Barry Manilow
                                     'tag_release'  The Manilow Collection
                                       'tag_title'  Mandy
                                             'bpm'  104.877
                                    'search_title'  'mandy':1
                                   'search_artist'  'barry':1 'manilow':2
                                  'search_release'  'collection':3 'manilow':2 'the':1
                                     'search_rest'  '00poprockelectronic':1 'cifsb11a':10 'collection':9 'files':5,6 'loose':3,4 'manilow':7 'pop':12 'rock':11 'soft':13 'the':8 'unsorted':2
                                    'search_combo'  '00poprockelectronic':7 'barry':2B 'cifsb11a':16 'collection':6C,15 'files':11,12 'loose':9,10 'mandy':1A 'manilow':3B,5C,13 'pop':18 'rock':17 'soft':19 'the':4C,14 'unsorted':8
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'soft rock', 'oldies', 'pop', 'easy listening']
                                        'tag_date'  1989
                                     'discogstags'  ['vocal', 'pop']

============================== file details ==============================
                                           'mtime'  1620736585.9616735  (2021-05-11 14:36:25)
                             'size'  3350195