======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '32'
                                          'artist'  'Shirley & Spinoza'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'SFX slow birds'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', "
 "'Q-UNU-2', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['eclectic', 'collage music', 'tape music', 'avant garde', 'oldies']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '146.000'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '146.000'
'TCON' (Content type, a.k.a. Genre)                 ['set-pl-shirleyspinoza', 'set-pl-mor']
'TIT2' (Title/songname/content description)         'SFX slow birds'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Shirley & Spinoza'
'TXXX:Mp3gain_minmax'                               '138,165'
'TXXX:Mp3gain_undo'                                 '-001,-001,N'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:Sortunder'                                    's'
'TXXX:lastfmtags'                                   ['eclectic', 'collage music', 'tape music', 'avant garde', 'oldies']
'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'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.90 dB'
'TXXX:replaygain_track_peak'                        '0.948988'

========================== row from database ==========================
                                              'id'  952381
                                            'path'  /data/Music/Bulk/0nonmusic/00sfx/SFX/SFX_slow_birds_0002.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  32
                                           'genre'  set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  518424
                                           'mtime'  1622758287
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic 00sfx SFX_slow_birds_0002 set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Shirley & Spinoza
                                     'tag_release'  None
                                       'tag_title'  SFX slow birds
                                             'bpm'  146.0
                                    'search_title'  'birds':3 'sfx':1 'slow':2
                                   'search_artist'  'shirley':1 'spinoza':2
                                  'search_release'  
                                     'search_rest'  '0002':6 '00sfx':2 '0nonmusic':1 'birds':5 'mor':13 'pl':8 'set':7,10,12 'sfx':3 'shirleyspinoza':9,11 'slow':4
                                    'search_combo'  '0002':11 '00sfx':7 '0nonmusic':6 'birds':3A,10 'mor':18 'pl':13 'set':12,15,17 'sfx':1A,8 'shirley':4B 'shirleyspinoza':14,16 'slow':2A,9 'spinoza':5B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['eclectic', 'collage music', 'tape music', 'avant garde', 'oldies']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622758286.5566804  (2021-06-04 00:11:26)
                             'size'  518424