======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '150'
                                          'artist'  'Jack Teagarden'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "It's A Hundred To One I'm In Love"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['trombone', 'jazz trombone', 'jazz', '30s', 'swing']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1939'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '90.6'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TBPM' (BPM (beats per minute))                     '90.6'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1939-08-25'
'TIT2' (Title/songname/content description)         "It's A Hundred To One I'm In Love"
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '150000'
'TPE1' (Lead performer(s)/Soloist(s))               'Jack Teagarden'
'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:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['trombone', 'jazz trombone', 'jazz', '30s', 'swing']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.57 dB'
'TXXX:replaygain_track_peak'                        '0.457146'

========================== row from database ==========================
                                              'id'  1515839
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1939/Jack Teagarden - It_s A Hundred To One I_m In Love 25-8-1939.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  150
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  3084603
                                           'mtime'  1620526925
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1939 It_s I_m 25 8 1939 prerock jb jazz unsorted
                                      'tag_artist'  Jack Teagarden
                                     'tag_release'  None
                                       'tag_title'  It's A Hundred To One I'm In Love
                                             'bpm'  90.6
                                    'search_title'  'a':4 'hundred':5 'i':8 'im':10 'in':11 'it':1 'its':3 'love':12 'm':9 'one':7 's':2 'to':6
                                   'search_artist'  'jack':1 'teagarden':2
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1939':6 '25':11 '8':12 'country':4 'exotica':2 'i':9 'it':7 'jazz':1 'jb':14 'm':10 'oldies':3 'prerock':13 's':8 'unsorted':15
                                    'search_combo'  '00oldiepop':19 '1939':20 '25':25 '8':26 'a':4A 'country':18 'exotica':16 'hundred':5A 'i':8A,23 'im':10A 'in':11A 'it':1A,21 'its':3A 'jack':13B 'jazz':15 'jb':28 'love':12A 'm':9A,24 'oldies':17 'one':7A 'prerock':27 's':2A,22 'teagarden':14B 'to':6A 'unsorted':29
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['trombone', 'jazz trombone', 'jazz', '30s', 'swing']
                                        'tag_date'  1939
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620526924.675445  (2021-05-09 04:22:04)
                             'size'  3084603