======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '925'
                                          'artist'  'Walt Strony'
                                     'text_people'  ''
                                         'release'  'Wurlitzer Pipe Organ'
                                           'title'  'Suite from "Victory at Sea"'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', "
 "'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'mi-organ'
                                             'bpm'  '123.4'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Wurlitzer Pipe Organ'
'TBPM' (BPM (beats per minute))                     '123.4'
'TCON' (Content type, a.k.a. Genre)                 'mi-organ'
'TENC' (Encoded by)                                 'A Zlurp! MP3...www.zlurp.com'
'TIT2' (Title/songname/content description)         'Suite from "Victory at Sea"'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Walt Strony'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.42 dB'
'TXXX:replaygain_track_peak'                        '0.811699'

========================== row from database ==========================
                                              'id'  1497902
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Wurlitzer Pipe Organ/Wurlitzer Pipe Organ - Suite From _Victory At Sea_.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  925
                                           'genre'  mi-organ
                                        'filesize'  22210452
                                           'mtime'  1620524572
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm From _Victory At Sea_ mi organ
                                      'tag_artist'  Walt Strony
                                     'tag_release'  Wurlitzer Pipe Organ
                                       'tag_title'  Suite from "Victory at Sea"
                                             'bpm'  123.4
                                    'search_title'  'at':4 'from':2 'sea':5 'suite':1 'victory':3
                                   'search_artist'  'strony':2 'walt':1
                                  'search_release'  'organ':3 'pipe':2 'wurlitzer':1
                                     'search_rest'  'at':3 'from':1 'mi':5 'organ':6 'sea':4 'victory':2
                                    'search_combo'  'at':4A,13 'from':2A,11 'mi':15 'organ':10C,16 'pipe':9C 'sea':5A,14 'strony':7B 'suite':1A 'victory':3A,12 'walt':6B 'wurlitzer':8C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620524571.59231  (2021-05-09 03:42:51)
                             'size'  22210452