======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '145'
                                          'artist'  'Richard Cheese'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  '13 - Chop Suey'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-1', 'q-vocals-3', 'q-mixbeat-2', "
 "'Q-PIANO-3']")
                                      'lastfmtags'  "['lounge', 'jazz', 'comedy', 'covers', 'parody']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  ('prerock-jb-jazz-lounge or exotica or '
 'bossa;set-th-novelty-styledcovers;entertaining-why do i keep this;set-cover '
 'or covered')
                                             'bpm'  '94.283'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '94.283'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-jazz-lounge or exotica or bossa',
 'set-th-novelty-styledcovers',
 'entertaining-why do i keep this',
 'set-cover or covered']
'TIT2' (Title/songname/content description)         '13 - Chop Suey'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Richard Cheese'
'TXXX:Mp3gain_minmax'                               '089,205'
'TXXX:Mp3gain_undo'                                 '+005,+005,N'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['lounge', 'jazz', 'comedy', 'covers', 'parody']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+2.01 dB'
'TXXX:replaygain_track_peak'                        '0.445762'

========================== row from database ==========================
                                              'id'  1494855
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Richard Cheese - 13 - Chop Suey.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  145
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa;set-th-novelty-styledcovers;entertaining-why do i keep this;set-cover or covered
                                        'filesize'  3485699
                                           'mtime'  1620540659
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat prerock jb jazz lounge or exotica or bossa;set th novelty styledcovers;entertaining why do keep this;set cover or covered
                                      'tag_artist'  Richard Cheese
                                     'tag_release'  None
                                       'tag_title'  13 - Chop Suey
                                             'bpm'  94.283
                                    'search_title'  'chop':1 'suey':2
                                   'search_artist'  'cheese':2 'richard':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'bossa':11,13 'cover':28 'covered':29 'dance':3 'do':22 'entertaining':18,20 'exotica':10 'generic':2 'jazz':7 'jb':6 'keep':23 'lounge':8 'novelty':16 'or':9 'prerock':5 'set':12,14,25,27 'styledcovers':17,19 'th':15 'this':24,26 'trapbeat':4 'why':21
                                    'search_combo'  '00poprockelectronic':5 'bossa':15,17 'cheese':4B 'chop':1A 'cover':32 'covered':33 'dance':7 'do':26 'entertaining':22,24 'exotica':14 'generic':6 'jazz':11 'jb':10 'keep':27 'lounge':12 'novelty':20 'or':13 'prerock':9 'richard':3B 'set':16,18,29,31 'styledcovers':21,23 'suey':2A 'th':19 'this':28,30 'trapbeat':8 'why':25
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-mixbeat-2', 'Q-PIANO-3', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['lounge', 'jazz', 'comedy', 'covers', 'parody']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620540659.190151  (2021-05-09 08:10:59)
                             'size'  3485699