======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '136'
                                          'artist'  'Steve Porter'
                                     'text_people'  ''
                                         'release'  'Indestructible   846'
                                           'title'  "Every Mother's Son There Sang ' The Wearing Of The Green'"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['dance', 'house', 'trance', 'progressive house', 'electro', 'electronic']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1908'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '145.0'
                                             'key'  '6A'
                                        '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)                     'Indestructible   846'
'TBPM' (BPM (beats per minute))                     '145.0'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1908'
'TIT2' (Title/songname/content description)         "Every Mother's Son There Sang ' The Wearing Of The Green'"
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '136000'
'TPE1' (Lead performer(s)/Soloist(s))               'Steve Porter'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['dance', 'house', 'trance', 'progressive house', 'electro', 'electronic']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.57 dB'
'TXXX:replaygain_track_peak'                        '0.526961'

========================== row from database ==========================
                                              'id'  1513073
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1908/Steve Porter - Every Mother_s Son There Sang _The Wearing Of The Green_ 1908.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  136
                                           'genre'  prerock-vocal
                                        'filesize'  2793974
                                           'mtime'  1620665980
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1908 Mother_s _The Green_ 1908 prerock vocal
                                      'tag_artist'  Steve Porter
                                     'tag_release'  Indestructible   846
                                       'tag_title'  Every Mother's Son There Sang ' The Wearing Of The Green'
                                             'bpm'  145.0
                                    'search_title'  'every':1 'green':11,12 'mother':2 'mothers':4 'of':10 's':3 'sang':7 'son':5 'the':8 'there':6 'wearing':9
                                   'search_artist'  'porter':2 'steve':1
                                  'search_release'  '846':2 'indestructible':1
                                     'search_rest'  '00oldiepop':5 '1908':6 'country':4 'exotica':2 'green':10 'jazz':1 'mother':7 'oldies':3 'prerock':11 's':8 'the':9 'vocal':12
                                    'search_combo'  '00oldiepop':21 '1908':22 '846':16C 'country':20 'every':1A 'exotica':18 'green':11A,12A,26 'indestructible':15C 'jazz':17 'mother':2A,23 'mothers':4A 'of':10A 'oldies':19 'porter':14B 'prerock':27 's':3A,24 'sang':7A 'son':5A 'steve':13B 'the':8A,25 'there':6A 'vocal':28 'wearing':9A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  6A
                                           '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-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['dance', 'house', 'trance', 'progressive house', 'electro', 'electronic']
                                        'tag_date'  1908
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620665979.7243056  (2021-05-10 18:59:39)
                             'size'  2793974