======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '189'
                                          'artist'  'Ernie Golden & his Orch.'
                                     'text_people'  ''
                                         'release'  'Edison-52275 (18340)'
                                           'title'  "S' Wonderful (1928)"
                                           '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-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1928'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '84.035'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Edison-52275 (18340)'
'TBPM' (BPM (beats per minute))                     '84.035'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1928'
'TIT2' (Title/songname/content description)         "S' Wonderful (1928)"
'TKEY' (Initial key)                                '1A'
'TLEN' (Length)                                     '189337'
'TPE1' (Lead performer(s)/Soloist(s))               'Ernie Golden & his Orch.'
'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:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.54 dB'
'TXXX:replaygain_track_peak'                        '0.588495'

========================== row from database ==========================
                                              'id'  1504533
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1920s and 1930s popular/Ernie Golden & his Orch - S_ Wonderful 1928 Edison 78 RPM.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  189
                                           'genre'  prerock-unsorted
                                        'filesize'  3051520
                                           'mtime'  1621697856
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1920s and 1930s popular S_ 78 RPM prerock unsorted
                                      'tag_artist'  Ernie Golden & his Orch.
                                     'tag_release'  Edison-52275 (18340)
                                       'tag_title'  S' Wonderful (1928)
                                             'bpm'  84.035
                                    'search_title'  '1928':4,5 's':1,2 'wonderful':3
                                   'search_artist'  'ernie':1 'golden':2 'his':3 'orch':4,5
                                  'search_release'  '18340':4,5 '52275':2 'edison':1 'edison52275':3
                                     'search_rest'  '00oldiepop':5 '1920s':6 '1930s':8 '78':11 'and':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'popular':9 'prerock':13 'rpm':12 's':10 'unsorted':14
                                    'search_combo'  '00oldiepop':20 '18340':14C,15C '1920s':21 '1928':4A,5A '1930s':23 '52275':12C '78':26 'and':22 'country':19 'edison':11C 'edison52275':13C 'ernie':6B 'exotica':17 'golden':7B 'his':8B 'jazz':16 'oldies':18 'orch':9B,10B 'popular':24 'prerock':28 'rpm':27 's':1A,2A,25 'unsorted':29 'wonderful':3A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  1A
                                           '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-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1928
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621697855.697625  (2021-05-22 17:37:35)
                             'size'  3051520