======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '176'
                                          'artist'  'Eddie Cantor'
                                     'text_people'  ''
                                         'release'  'Golden Oldies 1923'
                                           'title'  "I Love Me (I'm Wild About Myself) 4-5-1923"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['big band', '1920s', 'jazz', 'all', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1923'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-soft-swing'
                                             'bpm'  '108.0'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TALB' (Album/Movie/Show title)                     'Golden Oldies 1923'
'TBPM' (BPM (beats per minute))                     '108.0'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-soft-swing'
'TDRC' (Recording time)                             '1923'
'TIT2' (Title/songname/content description)         "I Love Me (I'm Wild About Myself) 4-5-1923"
'TKEY' (Initial key)                                '7B'
'TLEN' (Length)                                     '176000'
'TPE1' (Lead performer(s)/Soloist(s))               'Eddie Cantor'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['big band', '1920s', 'jazz', 'all', 'swing']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                        '+1.81 dB'
'TXXX:replaygain_track_peak'                        '0.565537'

========================== row from database ==========================
                                              'id'  1515102
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/GOLDEN OLDIES 1923/Eddie Cantor - I Love Me (I_m Wild About Myself) 4-5-1923.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  176
                                           'genre'  prerock-jb-jazz-soft-swing
                                        'filesize'  3584650
                                           'mtime'  1620529270
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country GOLDEN OLDIES (I_m prerock jb jazz soft swing
                                      'tag_artist'  Eddie Cantor
                                     'tag_release'  Golden Oldies 1923
                                       'tag_title'  I Love Me (I'm Wild About Myself) 4-5-1923
                                             'bpm'  108.0
                                    'search_title'  '1923':13 '4':11 '451923':14 '5':12 'about':8 'i':1,4 'im':6 'love':2 'm':5 'me':3 'myself':9,10 'wild':7
                                   'search_artist'  'cantor':2 'eddie':1
                                  'search_release'  '1923':3 'golden':1 'oldies':2
                                     'search_rest'  'country':4 'exotica':2 'golden':5 'i':6,8 'jazz':1 'jb':11 'm':7,9 'oldies':3 'prerock':10 'soft':12 'swing':13
                                    'search_combo'  '1923':13A,19C '4':11A '451923':14A '5':12A 'about':8A 'cantor':16B 'country':23 'eddie':15B 'exotica':21 'golden':17C,24 'i':1A,4A,25,27 'im':6A 'jazz':20 'jb':30 'love':2A 'm':5A,26,28 'me':3A 'myself':9A,10A 'oldies':18C,22 'prerock':29 'soft':31 'swing':32 'wild':7A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['big band', '1920s', 'jazz', 'all', 'swing']
                                        'tag_date'  1923
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620529270.11797  (2021-05-09 05:01:10)
                             'size'  3584650