======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '168'
                                          'artist'  'Trixie Smith'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'My Man Rocks Me'
                                           '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-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['blues', 'jazz', '30s']"
                                     'discogstags'  "['blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1922'
                                        'comments'  ''
                                           'genre'  'prerock-vaudeville'
                                             'bpm'  '123.9'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TBPM' (BPM (beats per minute))                     '123.9'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vaudeville'
'TDRC' (Recording time)                             '1922-09'
'TIT2' (Title/songname/content description)         'My Man Rocks Me'
'TKEY' (Initial key)                                '2A'
'TLEN' (Length)                                     '168000'
'TPE1' (Lead performer(s)/Soloist(s))               'Trixie Smith'
'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:discogstags'                                  'blues'
'TXXX:lastfmtags'                                   ['blues', 'jazz', '30s']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.94 dB'
'TXXX:replaygain_track_peak'                        '0.574474'

========================== row from database ==========================
                                              'id'  1473230
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1922/Trixie Smith - My Man Rocks Me -9-1922.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  168
                                           'genre'  prerock-vaudeville
                                        'filesize'  3466303
                                           'mtime'  1620666380
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1922 9 1922 prerock vaudeville
                                      'tag_artist'  Trixie Smith
                                     'tag_release'  None
                                       'tag_title'  My Man Rocks Me
                                             'bpm'  123.9
                                    'search_title'  'man':2 'me':4 'my':1 'rocks':3
                                   'search_artist'  'smith':2 'trixie':1
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1922':6 '9':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':8 'vaudeville':9
                                    'search_combo'  '00oldiepop':11 '1922':12 '9':13 'country':10 'exotica':8 'jazz':7 'man':2A 'me':4A 'my':1A 'oldies':9 'prerock':14 'rocks':3A 'smith':6B 'trixie':5B 'vaudeville':15
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['blues', 'jazz', '30s']
                                        'tag_date'  1922
                                     'discogstags'  ['blues']

============================== file details ==============================
                                           'mtime'  1620666379.9010847  (2021-05-10 19:06:19)
                             'size'  3466303