======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '135'
                                          'artist'  'Leslie Humphries and His Friends'
                                     'text_people'  ''
                                         'release'  'Shirley & Spinoza'
                                           'title'  'The Unwanted'
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-OLDST-2', 'q-syn-2', "
 "'Q-PLAY-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'Q-PIANO-2', 'q-chart-1', "
 "'q-drums-3', 'q-other-3', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['easy listening', 'funk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  'A3'
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '120.399'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Shirley & Spinoza'
'TBPM' (BPM (beats per minute))                     '120.399'
'TCON' (Content type, a.k.a. Genre)                 ['set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         'The Unwanted'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Leslie Humphries and His Friends'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               'A3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['easy listening', 'funk']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.23 dB'
'TXXX:replaygain_track_peak'                        '0.993299'

========================== row from database ==========================
                                              'id'  949166
                                            'path'  /data/Music/Bulk/sns/Leslie Humphries And His Friends - The Unwanted.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  135
                                           'genre'  set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  5561011
                                           'mtime'  1620356847
                                   'redo_metaread'  0
                                        'rest_str'   sns And set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Leslie Humphries and His Friends
                                     'tag_release'  Shirley & Spinoza
                                       'tag_title'  The Unwanted
                                             'bpm'  120.399
                                    'search_title'  'the':1 'unwanted':2
                                   'search_artist'  'and':3 'friends':5 'his':4 'humphries':2 'leslie':1
                                  'search_release'  'shirley':1 'spinoza':2
                                     'search_rest'  'and':2 'mor':9 'pl':4 'set':3,6,8 'shirleyspinoza':5,7 'sns':1
                                    'search_combo'  'and':5B,11 'friends':7B 'his':6B 'humphries':4B 'leslie':3B 'mor':18 'pl':13 'set':12,15,17 'shirley':8C 'shirleyspinoza':14,16 'sns':10 'spinoza':9C 'the':1A 'unwanted':2A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-PLAY-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['easy listening', 'funk']
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620356847.0564098  (2021-05-07 05:07:27)
                             'size'  5561011