======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '143'
                                          'artist'  'Richard Cheese'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Better Man'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['lounge', 'jazz', 'comedy', 'covers', 'parody']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      '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'  '130.734'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '130.734'
'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)         'Better Man'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'Richard Cheese'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['lounge', 'jazz', 'comedy', 'covers', 'parody']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'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'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.15 dB'
'TXXX:replaygain_track_peak'                        '0.470078'

========================== row from database ==========================
                                              'id'  1302796
                                            'path'  /data/Music/Bulk/00spent/Richard Cheese/Richard Cheese - Better Man.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  143
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa;set-th-novelty-styledcovers;entertaining-why do i keep this;set-cover or covered
                                        'filesize'  2294175
                                           'mtime'  1620541688
                                   'redo_metaread'  0
                                        'rest_str'   00spent 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'  Better Man
                                             'bpm'  130.734
                                    'search_title'  'better':1 'man':2
                                   'search_artist'  'cheese':2 'richard':1
                                  'search_release'  
                                     'search_rest'  '00spent':1 'bossa':8,10 'cover':25 'covered':26 'do':19 'entertaining':15,17 'exotica':7 'jazz':4 'jb':3 'keep':20 'lounge':5 'novelty':13 'or':6 'prerock':2 'set':9,11,22,24 'styledcovers':14,16 'th':12 'this':21,23 'why':18
                                    'search_combo'  '00spent':5 'better':1A 'bossa':12,14 'cheese':4B 'cover':29 'covered':30 'do':23 'entertaining':19,21 'exotica':11 'jazz':8 'jb':7 'keep':24 'lounge':9 'man':2A 'novelty':17 'or':10 'prerock':6 'richard':3B 'set':13,15,26,28 'styledcovers':18,20 'th':16 'this':25,27 'why':22
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-2', 'q-syn-1', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['lounge', 'jazz', 'comedy', 'covers', 'parody']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620541688.4182189  (2021-05-09 08:28:08)
                             'size'  2294175