======================== unified (from filesystem) ========================
                                         'bitrate'  '112.0'
                                        'duration'  '228'
                                          'artist'  'Golden Gate Orch.'
                                     'text_people'  ''
                                         'release'  'Edison-51860 (11254)'
                                           'title'  'Sweet Thing'
                                           '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-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1926'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '107.893'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Edison-51860 (11254)'
'TBPM' (BPM (beats per minute))                     '107.893'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1926'
'TIT2' (Title/songname/content description)         'Sweet Thing'
'TKEY' (Initial key)                                '1A'
'TLEN' (Length)                                     '228205'
'TPE1' (Lead performer(s)/Soloist(s))               'Golden Gate 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:lastfmtags'                                   'swing'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.90 dB'
'TXXX:replaygain_track_peak'                        '0.421034'

========================== row from database ==========================
                                              'id'  1160700
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1920s and 1930s popular/Golden Gate Orch - Sweet Thing 1926 Edison-.mp3
                                         'working'  None
                                         'bitrate'  112
                                    'duration_sec'  228
                                           'genre'  prerock-unsorted
                                        'filesize'  3231744
                                           'mtime'  1621697866
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1920s and 1930s popular 1926 prerock unsorted
                                      'tag_artist'  Golden Gate Orch.
                                     'tag_release'  Edison-51860 (11254)
                                       'tag_title'  Sweet Thing
                                             'bpm'  107.893
                                    'search_title'  'sweet':1 'thing':2
                                   'search_artist'  'gate':2 'golden':1 'orch':3,4
                                  'search_release'  '11254':4,5 '51860':2 'edison':1 'edison51860':3
                                     'search_rest'  '00oldiepop':5 '1920s':6 '1926':10 '1930s':8 'and':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'popular':9 'prerock':11 'unsorted':12
                                    'search_combo'  '00oldiepop':16 '11254':10C,11C '1920s':17 '1926':21 '1930s':19 '51860':8C 'and':18 'country':15 'edison':7C 'edison51860':9C 'exotica':13 'gate':4B 'golden':3B 'jazz':12 'oldies':14 'orch':5B,6B 'popular':20 'prerock':22 'sweet':1A 'thing':2A 'unsorted':23
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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'  ['swing']
                                        'tag_date'  1926
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621697866.2814593  (2021-05-22 17:37:46)
                             'size'  3231744