======================== unified (from filesystem) ========================
                                         'bitrate'  '204.495'
                                        'duration'  '184'
                                          'artist'  "Brian Setzer '68 comeback special"
                                     'text_people'  ''
                                         'release'  'Special Ignition'
                                           'title'  'Ignition'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', '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'  "['00s', 'setzer', 'liszaj radio', 'rockabilly', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'rock-rockabilly or psychobilly'
                                             'bpm'  '101.057'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Special Ignition'
'TBPM' (BPM (beats per minute))                     '101.057'
'TCON' (Content type, a.k.a. Genre)                 'rock-rockabilly or psychobilly'
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'Ignition'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               "Brian Setzer '68 comeback special"
'TRCK' (Track number/Position in set)               '1'
'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'                                   ['00s', 'setzer', 'liszaj radio', 'rockabilly', 'swing']
'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'                        '-1.14 dB'
'TXXX:replaygain_track_peak'                        '0.372355'

========================== row from database ==========================
                                              'id'  1297677
                                            'path'  /data/Music/Bulk/00poprockelectronic/musica/Brian Setzer/special ignition/01 - Ignition.wma.mp3
                                         'working'  None
                                         'bitrate'  204
                                    'duration_sec'  184
                                           'genre'  rock-rockabilly or psychobilly
                                        'filesize'  4712127
                                           'mtime'  1620526251
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic musica ignition 01 Ignition.wma rock rockabilly or psychobilly
                                      'tag_artist'  Brian Setzer '68 comeback special
                                     'tag_release'  Special Ignition
                                       'tag_title'  Ignition
                                             'bpm'  101.057
                                    'search_title'  'ignition':1
                                   'search_artist'  '68':3,4 'brian':1 'comeback':5 'setzer':2 'special':6
                                  'search_release'  'ignition':2 'special':1
                                     'search_rest'  '00poprockelectronic':1 'ignition':3,4 'ignitionwma':6 'musica':2 'or':9 'psychobilly':10 'rock':7 'rockabilly':8 'wma':5
                                    'search_combo'  '00poprockelectronic':10 '68':4B,5B 'brian':2B 'comeback':6B 'ignition':1A,9C,12,13 'ignitionwma':15 'musica':11 'or':18 'psychobilly':19 'rock':16 'rockabilly':17 'setzer':3B 'special':7B,8C 'wma':14
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', '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'  ['00s', 'setzer', 'liszaj radio', 'rockabilly', 'swing']
                                        'tag_date'  1980
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620526251.328602  (2021-05-09 04:10:51)
                             'size'  4712127