======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '169'
                                          'artist'  'Arthur Collins & Byron Harlan'
                                     'text_people'  ''
                                         'release'  'Orig 78 - Victor 17094'
                                           'title'  'That Precious Little Thing Called Love (The Riddle Song)'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['1900s', '1910s', 'ragtime', '78rpm', 'real oldies']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1912'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '84.280'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         ('Debuted 9/14/1912 and peaked at #8 on Various Charts. Source: Pop Memories. '
 'Label/Number: Victor 17094.  Recorded April 15, 1912\r\n'
 '\r\n')
'COMM:ID3v1 Comment:XXX'                            'Debuted 9/14/1912 and peaked'
'TALB' (Album/Movie/Show title)                     'Orig 78 - Victor 17094'
'TBPM' (BPM (beats per minute))                     '84.280'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1912'
'TENC' (Encoded by)                                 'cleaned/restored by Dancing Bear'
'TIT2' (Title/songname/content description)         'That Precious Little Thing Called Love (The Riddle Song)'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Arthur Collins & Byron Harlan'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['1900s', '1910s', 'ragtime', '78rpm', 'real oldies']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'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'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.93 dB'
'TXXX:replaygain_track_peak'                        '0.691905'
'UFID:'                                             UFID(owner='', data=b'XL')

========================== row from database ==========================
                                              'id'  959841
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/That precious little thing called love (The riddle song) - Arthur Collins and Byron Harlan.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  169
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  2838883
                                           'mtime'  1620536036
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country precious little thing called love riddle song) and prerock jb jazz unsorted
                                      'tag_artist'  Arthur Collins & Byron Harlan
                                     'tag_release'  Orig 78 - Victor 17094
                                       'tag_title'  That Precious Little Thing Called Love (The Riddle Song)
                                             'bpm'  84.28
                                    'search_title'  'called':5 'little':3 'love':6 'precious':2 'riddle':9 'song':10,11 'that':1 'the':7,8 'thing':4
                                   'search_artist'  'arthur':1 'byron':3 'collins':2 'harlan':4
                                  'search_release'  '17094':4 '78':2 'orig':1 'victor':3
                                     'search_rest'  'and':13 'called':8 'country':4 'exotica':2 'jazz':1 'jb':15 'little':6 'love':9 'oldies':3 'precious':5 'prerock':14 'riddle':10 'song':11,12 'thing':7 'unsorted':16
                                    'search_combo'  '17094':19C '78':17C 'and':32 'arthur':12B 'byron':14B 'called':5A,27 'collins':13B 'country':23 'exotica':21 'harlan':15B 'jazz':20 'jb':34 'little':3A,25 'love':6A,28 'oldies':22 'orig':16C 'precious':2A,24 'prerock':33 'riddle':9A,29 'song':10A,11A,30,31 'that':1A 'the':7A,8A 'thing':4A,26 'unsorted':35 'victor':18C
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['1900s', '1910s', 'ragtime', '78rpm', 'real oldies']
                                        'tag_date'  1912
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620536036.2779799  (2021-05-09 06:53:56)
                             'size'  2838883