======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '50'
                                          'artist'  ''
                                     'text_people'  ''
                                         'release'  'Shirley & Spinoza - Out of Tune'
                                           'title'  'caligari'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-UNU-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '47'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '90.411'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Shirley & Spinoza - Out of Tune'
'TBPM' (BPM (beats per minute))                     '90.411'
'TCON' (Content type, a.k.a. Genre)                 ['set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'caligari'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Various Artists'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '47'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.18 dB'
'TXXX:replaygain_track_peak'                        '1.006370'
'TXXX:sortunder'                                    'b'

========================== row from database ==========================
                                              'id'  1116549
                                            'path'  /data/Music/Bulk/sns/BBC_OutofTune/BBC_OutofTune_47_caligari.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  50
                                           'genre'  set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  813101
                                           'mtime'  1636917732
                                   'redo_metaread'  0
                                        'rest_str'   sns BBC_OutofTune BBC_OutofTune_47_caligari set pl shirleyspinoza;set pl mor
                                      'tag_artist'  None
                                     'tag_release'  Shirley & Spinoza - Out of Tune
                                       'tag_title'  caligari
                                             'bpm'  90.411
                                    'search_title'  'caligari':1
                                   'search_artist'  None
                                  'search_release'  'of':4 'out':3 'shirley':1 'spinoza':2 'tune':5
                                     'search_rest'  '47':6,19 'bbc':2,4,15 'caligari':7,20 'mor':14 'outof':16 'outoftune':3,5 'pl':9 'set':8,11,13 'shirleyspinoza':10,12 'sns':1 'tune':17,18
                                    'search_combo'  '47':12,25 'bbc':8,10,21 'caligari':1A,13,26 'mor':20 'of':5C 'out':4C 'outof':22 'outoftune':9,11 'pl':15 'set':14,17,19 'shirley':2C 'shirleyspinoza':16,18 'sns':7 'spinoza':3C 'tune':6C,23,24
                                    'tag_tracknum'  47
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-1', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636917732.4053483  (2021-11-14 20:22:12)
                             'size'  813101