======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '162'
                                          'artist'  'Mosquito'
                                     'text_people'  ''
                                         'release'  'Wants Your Blood'
                                           'title'  'Ford Thunderbird'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-3', 'Q-OLDST-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['psychobilly', 'punk', 'psychedelic', 'noise', 'rock']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'rock-rockabilly or psychobilly'
                                             'bpm'  '104.122'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Wants Your Blood'
'TBPM' (BPM (beats per minute))                     '104.122'
'TCON' (Content type, a.k.a. Genre)                 'rock-rockabilly or psychobilly'
'TDRC' (Recording time)                             '1999'
'TENC' (Encoded by)                                 'Tag&Rename 3.0.6'
'TIT2' (Title/songname/content description)         'Ford Thunderbird'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Mosquito'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '3'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['psychobilly', 'punk', 'psychedelic', 'noise', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.09 dB'
'TXXX:replaygain_track_peak'                        '0.472170'

========================== row from database ==========================
                                              'id'  1353810
                                            'path'  /data/Music/Bulk/00poprockelectronic/musica/Mosquito/wants your blood/04 - Ford Thunderbird.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  162
                                           'genre'  rock-rockabilly or psychobilly
                                        'filesize'  3904740
                                           'mtime'  1620526600
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic musica wants your blood 04 rock rockabilly psychobilly
                                      'tag_artist'  Mosquito
                                     'tag_release'  Wants Your Blood
                                       'tag_title'  Ford Thunderbird
                                             'bpm'  104.122
                                    'search_title'  'ford':1 'thunderbird':2
                                   'search_artist'  'mosquito':1
                                  'search_release'  'blood':3 'wants':1 'your':2
                                     'search_rest'  '00poprockelectronic':1 'blood':5 'musica':2 'psychobilly':8 'rock':6 'rockabilly':7 'wants':3 'your':4
                                    'search_combo'  '00poprockelectronic':7 'blood':6C,11 'ford':1A 'mosquito':3B 'musica':8 'psychobilly':14 'rock':12 'rockabilly':13 'thunderbird':2A 'wants':4C,9 'your':5C,10
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['psychobilly', 'punk', 'psychedelic', 'noise', 'rock']
                                        'tag_date'  1999
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620526599.9684908  (2021-05-09 04:16:39)
                             'size'  3904740