======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '185'
                                          'artist'  'Abe Lyman & His California Orchestra'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "I'm In Love"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '151'
                                      'tracktotal'  ''
                                            'date'  '1934'
                                        'comments'  ''
                                           'genre'  'prerock-band'
                                             'bpm'  '123.708'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'Debuted 1934 and peaked at #10 on Various Charts. source Pop Memories'
'COMM:ID3v1 Comment:XXX'                            'Debuted 1934 and peaked at #'
'TBPM' (BPM (beats per minute))                     '123.708'
'TCON' (Content type, a.k.a. Genre)                 'prerock-band'
'TDRC' (Recording time)                             '1934'
'TIT2' (Title/songname/content description)         "I'm In Love"
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Abe Lyman & His California Orchestra'
'TRCK' (Track number/Position in set)               '151'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.91 dB'
'TXXX:replaygain_track_peak'                        '0.611181'

========================== row from database ==========================
                                              'id'  1509059
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1934/I_m in love - Abe Lyman and His California Orchestra (vocal by Louis Rapp).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  185
                                           'genre'  prerock-band
                                        'filesize'  2973696
                                           'mtime'  1620560251
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1934 I_m in love and (vocal by Louis Rapp) prerock band
                                      'tag_artist'  Abe Lyman & His California Orchestra
                                     'tag_release'  None
                                       'tag_title'  I'm In Love
                                             'bpm'  123.708
                                    'search_title'  'i':1 'im':3 'in':4 'love':5 'm':2
                                   'search_artist'  'abe':1 'california':4 'his':3 'lyman':2 'orchestra':5
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1934':6 'and':11 'band':19 'by':14 'country':4 'exotica':2 'i':7 'in':9 'jazz':1 'louis':15 'love':10 'm':8 'oldies':3 'prerock':18 'rapp':16,17 'vocal':12,13
                                    'search_combo'  '00oldiepop':15 '1934':16 'abe':6B 'and':21 'band':29 'by':24 'california':9B 'country':14 'exotica':12 'his':8B 'i':1A,17 'im':3A 'in':4A,19 'jazz':11 'louis':25 'love':5A,20 'lyman':7B 'm':2A,18 'oldies':13 'orchestra':10B 'prerock':28 'rapp':26,27 'vocal':22,23
                                    'tag_tracknum'  151
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1934
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620560250.9048834  (2021-05-09 13:37:30)
                             'size'  2973696