======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '182'
                                          'artist'  'Alberta Hunter'
                                     'text_people'  ''
                                         'release'  'Geil & Sexy - Copulation Blues'
                                           'title'  "You Can't Tell The Difference After Dark"
                                           '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'  "['rhythm and blues', 'blues', 'jazz', 'female vocalists']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1936'
                                        'comments'  ''
                                           'genre'  'prerock-jb-blues'
                                             'bpm'  '144.0'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Geil & Sexy - Copulation Blues'
'TBPM' (BPM (beats per minute))                     '144.0'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-blues'
'TDRC' (Recording time)                             '1936'
'TIT2' (Title/songname/content description)         "You Can't Tell The Difference After Dark"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Alberta Hunter'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'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:lastfmtags'                                   ['rhythm and blues', 'blues', 'jazz', 'female vocalists']
'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'                        '+2.66 dB'
'TXXX:replaygain_track_peak'                        '0.364339'

========================== row from database ==========================
                                              'id'  1519048
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Bob Howe & Frankie Giggs - Flashbacks - 1920s-1940 2. Geil & Sexy - Copulation Blues/01 - Alberta Hunter - You Can_t Tell The Difference After Dark.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  182
                                           'genre'  prerock-jb-blues
                                        'filesize'  2918272
                                           'mtime'  1620402239
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Bob Howe Frankie Giggs Flashbacks 1920s 1940 2. 01 Can_t prerock jb blues
                                      'tag_artist'  Alberta Hunter
                                     'tag_release'  Geil & Sexy - Copulation Blues
                                       'tag_title'  You Can't Tell The Difference After Dark
                                             'bpm'  144.0
                                    'search_title'  'after':8 'can':2 'cant':4 'dark':9 'difference':7 't':3 'tell':5 'the':6 'you':1
                                   'search_artist'  'alberta':1 'hunter':2
                                  'search_release'  'blues':4 'copulation':3 'geil':1 'sexy':2
                                     'search_rest'  '1920s':10 '1940':11 '2':12,13 'blues':18 'bob':5 'can':14 'country':4 'exotica':2 'flashbacks':9 'frankie':7 'giggs':8 'howe':6 'jazz':1 'jb':17 'oldies':3 'prerock':16 't':15
                                    'search_combo'  '1920s':25 '1940':26 '2':27,28 'after':8A 'alberta':10B 'blues':15C,33 'bob':20 'can':2A,29 'cant':4A 'copulation':14C 'country':19 'dark':9A 'difference':7A 'exotica':17 'flashbacks':24 'frankie':22 'geil':12C 'giggs':23 'howe':21 'hunter':11B 'jazz':16 'jb':32 'oldies':18 'prerock':31 'sexy':13C 't':3A,30 'tell':5A 'the':6A 'you':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           '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'  ['rhythm and blues', 'blues', 'jazz', 'female vocalists']
                                        'tag_date'  1936
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620402238.9816043  (2021-05-07 17:43:58)
                             'size'  2918272