======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '176'
                                          'artist'  'Sophie Tucker'
                                     'text_people'  ''
                                         'release'  'Geil & Sexy - Copulation Blues'
                                           'title'  "He Hadn't Up Till Yesterday"
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-2', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['20s', '30s', '1920s', 'jazz', 'female vocalists', 'female vocalist']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1930'
                                        'comments'  ''
                                           'genre'  'prerock-jb-blues;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '145.9'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Geil & Sexy - Copulation Blues'
'TBPM' (BPM (beats per minute))                     '145.9'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-blues', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '1930'
'TIT2' (Title/songname/content description)         "He Hadn't Up Till Yesterday"
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Sophie Tucker'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Mp3gain_minmax'                               '068,203'
'TXXX:Mp3gain_undo'                                 '+007,+007,N'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:Tracknum'                                     '03'
'TXXX:lastfmtags'                                   ['20s', '30s', '1920s', 'jazz', 'female vocalists', 'female vocalist']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.94 dB'
'TXXX:replaygain_track_peak'                        '0.310848'

========================== row from database ==========================
                                              'id'  1509732
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Bob Howe & Frankie Giggs - Flashbacks - 1920s-1940 2. Geil & Sexy - Copulation Blues/03 - Sophie Tucker - He Hadn_t Up Till Yesterday.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  176
                                           'genre'  prerock-jb-blues;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  2833782
                                           'mtime'  1620346046
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Bob Howe Frankie Giggs Flashbacks 1920s 1940 2. 03 Hadn_t prerock jb blues;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Sophie Tucker
                                     'tag_release'  Geil & Sexy - Copulation Blues
                                       'tag_title'  He Hadn't Up Till Yesterday
                                             'bpm'  145.9
                                    'search_title'  'hadn':2 'hadnt':4 'he':1 't':3 'till':6 'up':5 'yesterday':7
                                   'search_artist'  'sophie':1 'tucker':2
                                  'search_release'  'blues':4 'copulation':3 'geil':1 'sexy':2
                                     'search_rest'  '1920s':10 '1940':11 '2':12,13 'blues':18,20 'bob':5 'country':4 'exotica':2 'flashbacks':9 'frankie':7 'giggs':8 'hadn':14 'howe':6 'jazz':1 'jb':17 'mor':27 'oldies':3 'pl':22 'prerock':16 'set':19,21,24,26 'shirleyspinoza':23,25 't':15
                                    'search_combo'  '1920s':23 '1940':24 '2':25,26 'blues':13C,31,33 'bob':18 'copulation':12C 'country':17 'exotica':15 'flashbacks':22 'frankie':20 'geil':10C 'giggs':21 'hadn':2A,27 'hadnt':4A 'he':1A 'howe':19 'jazz':14 'jb':30 'mor':40 'oldies':16 'pl':35 'prerock':29 'set':32,34,37,39 'sexy':11C 'shirleyspinoza':36,38 'sophie':8B 't':3A,28 'till':6A 'tucker':9B 'up':5A 'yesterday':7A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['20s', '30s', '1920s', 'jazz', 'female vocalists', 'female vocalist']
                                        'tag_date'  1930
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620346045.9421263  (2021-05-07 02:07:25)
                             'size'  2833782