======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '165'
                                          'artist'  'Carroll Gibbons'
                                     'text_people'  ''
                                         'release'  'Columbia DB 1487'
                                           'title'  'Stars Fell On Alabama (Boy Friends)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-vocals-1', 'q-mixbeat-1', "
 "'Q-PIANO-3']")
                                      'lastfmtags'  "['piano', 'jazz', 'female vocalists', '1401fh', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1934'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '137.2'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TALB' (Album/Movie/Show title)                     'Columbia DB 1487'
'TBPM' (BPM (beats per minute))                     '137.2'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1934-10'
'TIT2' (Title/songname/content description)         'Stars Fell On Alabama (Boy Friends)'
'TKEY' (Initial key)                                '5A'
'TLEN' (Length)                                     '165000'
'TPE1' (Lead performer(s)/Soloist(s))               'Carroll Gibbons'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['piano', 'jazz', 'female vocalists', '1401fh', 'swing']
'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'                                      '4'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.84 dB'
'TXXX:replaygain_track_peak'                        '0.759492'

========================== row from database ==========================
                                              'id'  1462967
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1934/Carroll Gibbons - Stars Fell On Alabama (Boyfriends) -10-1934.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  165
                                           'genre'  prerock-swing
                                        'filesize'  3351324
                                           'mtime'  1620560425
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1934 (Boyfriends) 10 1934 prerock swing
                                      'tag_artist'  Carroll Gibbons
                                     'tag_release'  Columbia DB 1487
                                       'tag_title'  Stars Fell On Alabama (Boy Friends)
                                             'bpm'  137.2
                                    'search_title'  'alabama':4 'boy':5,6 'fell':2 'friends':7,8 'on':3 'stars':1
                                   'search_artist'  'carroll':1 'gibbons':2
                                  'search_release'  '1487':3 'columbia':1 'db':2
                                     'search_rest'  '00oldiepop':5 '1934':6 'boyfriends':7,8 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':9 'swing':10
                                    'search_combo'  '00oldiepop':18 '1487':13C '1934':19 'alabama':4A 'boy':5A,6A 'boyfriends':20,21 'carroll':9B 'columbia':11C 'country':17 'db':12C 'exotica':15 'fell':2A 'friends':7A,8A 'gibbons':10B 'jazz':14 'oldies':16 'on':3A 'prerock':22 'stars':1A 'swing':23
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-3', '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-1', 'q-grit-1']
                                      'lastfmtags'  ['piano', 'jazz', 'female vocalists', '1401fh', 'swing']
                                        'tag_date'  1934
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620560425.3057256  (2021-05-09 13:40:25)
                             'size'  3351324