======================== unified (from filesystem) ========================
                                         'bitrate'  '96.0'
                                        'duration'  '282'
                                          'artist'  'The Pretenders'
                                     'text_people'  ''
                                         'release'  '¡Viva El Amor!'
                                           'title'  'Biker'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'new wave', 'classic rock', 'female vocalists', 'rock']"
                                     'discogstags'  "['rock', 'blues rock', 'acoustic', 'pop rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'electronic-we-new wave or post punk'
                                             'bpm'  '94.459'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '¡Viva El Amor!'
'TBPM' (BPM (beats per minute))                     '94.459'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-new wave or post punk'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Biker'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Pretenders'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'blues rock', 'acoustic', 'pop rock']
'TXXX:lastfmtags'                                   ['80s', 'new wave', 'classic rock', 'female vocalists', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.93 dB'
'TXXX:replaygain_track_peak'                        '0.458018'

========================== row from database ==========================
                                              'id'  1287431
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00newwave-postpunk/The Pretenders/12 - Biker.mp3
                                         'working'  None
                                         'bitrate'  96
                                    'duration_sec'  282
                                           'genre'  electronic-we-new wave or post punk
                                        'filesize'  3390944
                                           'mtime'  1620607271
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00newwave postpunk 12 electronic we new wave post punk
                                      'tag_artist'  The Pretenders
                                     'tag_release'  ¡Viva El Amor!
                                       'tag_title'  Biker
                                             'bpm'  94.459
                                    'search_title'  'biker':1
                                   'search_artist'  'pretenders':2 'the':1
                                  'search_release'  'amor':3 'el':2 'viva':1
                                     'search_rest'  '00newwave':4 '00poprockelectronic':1 'disco':3 'electronic':6 'new':8 'post':10 'postpunk':5 'punk':11 'wave':9 'waves':2 'we':7
                                    'search_combo'  '00newwave':10 '00poprockelectronic':7 'amor':6C 'biker':1A 'disco':9 'el':5C 'electronic':12 'new':14 'post':16 'postpunk':11 'pretenders':3B 'punk':17 'the':2B 'viva':4C 'wave':15 'waves':8 'we':13
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'classic rock', 'female vocalists', 'rock']
                                        'tag_date'  1999
                                     'discogstags'  ['rock', 'blues rock', 'acoustic', 'pop rock']

============================== file details ==============================
                                           'mtime'  1620607270.6360192  (2021-05-10 02:41:10)
                             'size'  3390944