======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '160'
                                          'artist'  'The Surfaris'
                                     'text_people'  'Berryhill/Jim Fuller/Patrick Connolly/Ron Wilson'
                                         'release'  'wipe out! the best of the surfaris'
                                           'title'  'wipe out'
                                           '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-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['surf', 'instrumental', '60s', 'surf rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'rock-pop-surf'
                                             'bpm'  '101.666'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         ('0000026A 0000026B 000007F1 000007F1 000186B7 000186B7 00004BD8 00004C71 '
 '000138AE 000138AE')
'COMM:ID3v1 Comment:XXX'                            '0000026A 0000026B 000007F1 0'
'TALB' (Album/Movie/Show title)                     'wipe out! the best of the surfaris'
'TBPM' (BPM (beats per minute))                     '101.666'
'TCOM' (Composer)                                   'Berryhill/Jim Fuller/Patrick Connolly/Ron Wilson'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-surf'
'TDRC' (Recording time)                             '1994'
'TIT2' (Title/songname/content description)         'wipe out'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Surfaris'
'TRCK' (Track number/Position in set)               '01'
'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', 'instrumental', '60s', 'surf rock', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.01 dB'
'TXXX:replaygain_track_peak'                        '0.824595'

========================== row from database ==========================
                                              'id'  1311603
                                            'path'  /data/Music/Bulk/00poprockelectronic/musica/Surfaris, The/wipe out! the best of the surfaris/01 - wipe out.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  160
                                           'genre'  rock-pop-surf
                                        'filesize'  2562278
                                           'mtime'  1620737383
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic musica Surfaris, 01 rock pop
                                      'tag_artist'  The Surfaris
                                     'tag_release'  wipe out! the best of the surfaris
                                       'tag_title'  wipe out
                                             'bpm'  101.666
                                    'search_title'  'out':2 'wipe':1
                                   'search_artist'  'surfaris':2 'the':1
                                  'search_release'  'best':4 'of':5 'out':2 'surfaris':6 'the':3 'wipe':1
                                     'search_rest'  '00poprockelectronic':1 'musica':2 'pop':6 'rock':5 'surfaris':3,4
                                    'search_combo'  '00poprockelectronic':11 'best':8C 'musica':12 'of':9C 'out':2A,6C 'pop':16 'rock':15 'surfaris':4B,10C,13,14 'the':3B,7C 'wipe':1A,5C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['surf', 'instrumental', '60s', 'surf rock', 'rock']
                                        'tag_date'  1994
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737383.0307407  (2021-05-11 14:49:43)
                             'size'  2562278