======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '326'
                                          'artist'  'Billy May'
                                     'text_people'  ''
                                         'release'  'Shirley & Spinoza'
                                           'title'  'Leroy Holmes'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'Q-PLAY-3', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-1', "
 "'Q-PIANO-2', 'q-chart-1', 'q-drums-2', 'q-other-3', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['lounge', 'easy listening', 'space age pop', 'jazz', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '128.414'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Shirley & Spinoza'
'TBPM' (BPM (beats per minute))                     '128.414'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-jazz-lounge or exotica or bossa',
 'set-pl-shirleyspinoza',
 'set-pl-mor']
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'Leroy Holmes'
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '326088'
'TPE1' (Lead performer(s)/Soloist(s))               'Billy May'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '02'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['lounge', 'easy listening', 'space age pop', 'jazz', 'swing']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.18 dB'
'TXXX:replaygain_track_peak'                        '1.037675'

========================== row from database ==========================
                                              'id'  949303
                                            'path'  /data/Music/Bulk/sns/Billy May - Leroy Holmes.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  326
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  7828350
                                           'mtime'  1620541821
                                   'redo_metaread'  0
                                        'rest_str'   sns prerock jb jazz lounge or exotica or bossa;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Billy May
                                     'tag_release'  Shirley & Spinoza
                                       'tag_title'  Leroy Holmes
                                             'bpm'  128.414
                                    'search_title'  'holmes':2 'leroy':1
                                   'search_artist'  'billy':1 'may':2
                                  'search_release'  'shirley':1 'spinoza':2
                                     'search_rest'  'bossa':8,10 'exotica':7 'jazz':4 'jb':3 'lounge':5 'mor':17 'or':6 'pl':12 'prerock':2 'set':9,11,14,16 'shirleyspinoza':13,15 'sns':1
                                    'search_combo'  'billy':3B 'bossa':14,16 'exotica':13 'holmes':2A 'jazz':10 'jb':9 'leroy':1A 'lounge':11 'may':4B 'mor':23 'or':12 'pl':18 'prerock':8 'set':15,17,20,22 'shirley':5C 'shirleyspinoza':19,21 'sns':7 'spinoza':6C
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['lounge', 'easy listening', 'space age pop', 'jazz', 'swing']
                                        'tag_date'  1997
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620541820.6283476  (2021-05-09 08:30:20)
                             'size'  7828350