======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '149'
                                          'artist'  'Jan & Dean'
                                     'text_people'  ''
                                         'release'  'I Love Rock & Roll: Hits Of Th'
                                           'title'  'The Little Old Lady (From Pasadena)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', '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-mixbeat-3']")
                                      'lastfmtags'  "['surf', '60s', 'oldies', 'surf rock', 'rock and roll', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '19'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'rock-pop-surf'
                                             'bpm'  '100.605'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'I Love Rock & Roll: Hits Of Th'
'TBPM' (BPM (beats per minute))                     '100.605'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-surf'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'The Little Old Lady (From Pasadena)'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'Jan & Dean'
'TRCK' (Track number/Position in set)               '19'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['surf', '60s', 'oldies', 'surf rock', 'rock and roll', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.77 dB'
'TXXX:replaygain_track_peak'                        '0.457645'

========================== row from database ==========================
                                              'id'  1286304
                                            'path'  /data/Music/Bulk/00poprockelectronic/Jan & Dean/Jan & Dean__MBZ;#Jan & Dean;#I Love Rock & Roll Hits of the 60s Volume Two;#19;#The Little Old Lady from Pasadena.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  149
                                           'genre'  rock-pop-surf
                                        'filesize'  3587968
                                           'mtime'  1620737305
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Dean__MBZ;#Jan Dean;#I of the 60s Volume Two;#19;#The from rock pop surf
                                      'tag_artist'  Jan & Dean
                                     'tag_release'  I Love Rock & Roll: Hits Of Th
                                       'tag_title'  The Little Old Lady (From Pasadena)
                                             'bpm'  100.605
                                    'search_title'  'from':5,6 'lady':4 'little':2 'old':3 'pasadena':7,8 'the':1
                                   'search_artist'  'dean':2 'jan':1
                                  'search_release'  'hits':6 'i':1 'love':2 'of':7 'rock':3 'roll':4,5 'th':8
                                     'search_rest'  '00poprockelectronic':1 '19':17,20 '60s':14 'dean':2,5,8,10 'from':22 'i':9,11 'jan':4,7 'mbz':3,6 'of':12 'pop':24 'rock':23 'surf':25 'the':13,18,21 'two':16,19 'volume':15
                                    'search_combo'  '00poprockelectronic':19 '19':35,38 '60s':32 'dean':10B,20,23,26,28 'from':5A,6A,40 'hits':16C 'i':11C,27,29 'jan':9B,22,25 'lady':4A 'little':2A 'love':12C 'mbz':21,24 'of':17C,30 'old':3A 'pasadena':7A,8A 'pop':42 'rock':13C,41 'roll':14C,15C 'surf':43 'th':18C 'the':1A,31,36,39 'two':34,37 'volume':33
                                    'tag_tracknum'  19
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['surf', '60s', 'oldies', 'surf rock', 'rock and roll', 'classic rock']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737305.0155768  (2021-05-11 14:48:25)
                             'size'  3587968