======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '222'
                                          'artist'  'John McCormack'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Meeting Of The Waters'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-3', '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'  "['irish folk', 'celtic', 'classical', 'tenor']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1940'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '132.012'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '132.012'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1940'
'TIT2' (Title/songname/content description)         'Meeting Of The Waters'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'John McCormack'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['irish folk', 'celtic', 'classical', 'tenor']
'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'                        '+2.46 dB'
'TXXX:replaygain_track_peak'                        '0.819395'

========================== row from database ==========================
                                              'id'  1448516
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1940/John McCormack - Meeting Of The Waters 9-8-1940.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  222
                                           'genre'  prerock-vocal
                                        'filesize'  4454194
                                           'mtime'  1620666480
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1940 9 8 1940 prerock vocal
                                      'tag_artist'  John McCormack
                                     'tag_release'  None
                                       'tag_title'  Meeting Of The Waters
                                             'bpm'  132.012
                                    'search_title'  'meeting':1 'of':2 'the':3 'waters':4
                                   'search_artist'  'cormack':4 'john':1 'mc':3 'mccormack':2
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1940':6 '8':8 '9':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':9 'vocal':10
                                    'search_combo'  '00oldiepop':13 '1940':14 '8':16 '9':15 'cormack':8B 'country':12 'exotica':10 'jazz':9 'john':5B 'mc':7B 'mccormack':6B 'meeting':1A 'of':2A 'oldies':11 'prerock':17 'the':3A 'vocal':18 'waters':4A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', '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'  ['irish folk', 'celtic', 'classical', 'tenor']
                                        'tag_date'  1940
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620666480.2211888  (2021-05-10 19:08:00)
                             'size'  4454194