======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '290'
                                          'artist'  'Clarence Clemons'
                                     'text_people'  ''
                                         'release'  'Hero'
                                           'title'  "You're A Friend Of Mine (with Jackson Browne)"
                                           'quals'  ("['Q-UNU-1', 'Q-OLDST-3', 'Q-JZFKS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', "
 "'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-2', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['jazz', 'rock', 'e street band', 'soulful', '80s']"
                                     'discogstags'  "['electronic', 'rock', 'funk / soul', 'pop', 'pop rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '9'
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '92.772'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Hero'
'TBPM' (BPM (beats per minute))                     '92.772'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TIT2' (Title/songname/content description)         "You're A Friend Of Mine (with Jackson Browne)"
'TKEY' (Initial key)                                '1B'
'TLEN' (Length)                                     '290000'
'TPE1' (Lead performer(s)/Soloist(s))               'Clarence Clemons'
'TPE2' (Band/orchestra/accompaniment)               'Clarence Clemons'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '1/9'
'TSOP' (Performer sort order)                       'Clemons, Clarence'
'TSSE' (Software/Hardware and settings used for encoding)  'X Lossless Decoder 20110611'
'TXXX:DATE'                                         '1985'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'rock', 'funk / soul', 'pop', 'pop rock']
'TXXX:lastfmtags'                                   ['jazz', 'rock', 'e street band', 'soulful', '80s']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.22 dB'
'TXXX:replaygain_track_peak'                        '0.380851'

========================== row from database ==========================
                                              'id'  1522065
                                            'path'  /data/Music/Bulk/00poprockelectronic/1985 complete/339 Clarence Clemons & Jackson Browne - You_re A Friend Of Mine.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  290
                                           'genre'  rock-unsorted
                                        'filesize'  11698011
                                           'mtime'  1620389112
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1985 complete 339 & You_re rock unsorted
                                      'tag_artist'  Clarence Clemons
                                     'tag_release'  Hero
                                       'tag_title'  You're A Friend Of Mine (with Jackson Browne)
                                             'bpm'  92.772
                                    'search_title'  'a':4 'browne':11,12 'friend':5 'jackson':10 'mine':7 'of':6 're':2 'with':8,9 'you':1 'youre':3
                                   'search_artist'  'clarence':1 'clemons':2
                                  'search_release'  'hero':1
                                     'search_rest'  '00poprockelectronic':1 '1985':2 '339':4 'complete':3 're':6 'rock':7 'unsorted':8 'you':5
                                    'search_combo'  '00poprockelectronic':16 '1985':17 '339':19 'a':4A 'browne':11A,12A 'clarence':13B 'clemons':14B 'complete':18 'friend':5A 'hero':15C 'jackson':10A 'mine':7A 'of':6A 're':2A,21 'rock':22 'unsorted':23 'with':8A,9A 'you':1A,20 'youre':3A
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['jazz', 'rock', 'e street band', 'soulful', '80s']
                                        'tag_date'  1985
                                     'discogstags'  ['electronic', 'rock', 'funk / soul', 'pop', 'pop rock']

============================== file details ==============================
                                           'mtime'  1620389111.9440465  (2021-05-07 14:05:11)
                             'size'  11698011