======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '151'
                                          'artist'  'Tazmanian Devils'
                                     'text_people'  ''
                                         'release'  'Wrecktime (Lp)'
                                           'title'  'Race Down The Alley'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['psychobilly', 'old-school psychobilly', 'german', 'old school "
 "psychobilly', 'power pop']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'rock-rockabilly or psychobilly'
                                             'bpm'  '133.403'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Wrecktime (Lp)'
'TBPM' (BPM (beats per minute))                     '133.403'
'TCON' (Content type, a.k.a. Genre)                 'rock-rockabilly or psychobilly'
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Race Down The Alley'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Tazmanian Devils'
'TPE2' (Band/orchestra/accompaniment)               'Tazmanian Devils'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['psychobilly',
 'old-school psychobilly',
 'german',
 'old school psychobilly',
 'power pop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.22 dB'
'TXXX:replaygain_track_peak'                        '0.608190'

========================== row from database ==========================
                                              'id'  1357057
                                            'path'  /data/Music/Bulk/00poprockelectronic/musica/Tazmanian Devils/tazmanian devils - wrecktime (lp)/tazmanian devils - wrecktime (lp) - 12 - race down the alley.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  151
                                           'genre'  rock-rockabilly or psychobilly
                                        'filesize'  3630596
                                           'mtime'  1620526900
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic musica tazmanian devils wrecktime (lp) tazmanian devils wrecktime (lp) 12 race down the alley rock rockabilly or psychobilly
                                      'tag_artist'  Tazmanian Devils
                                     'tag_release'  Wrecktime (Lp)
                                       'tag_title'  Race Down The Alley
                                             'bpm'  133.403
                                    'search_title'  'alley':4 'down':2 'race':1 'the':3
                                   'search_artist'  'devils':2 'tazmanian':1
                                  'search_release'  'lp':2,3 'wrecktime':1
                                     'search_rest'  '00poprockelectronic':1 'alley':11 'devils':4 'down':9 'lp':6,7 'musica':2 'or':14 'psychobilly':15 'race':8 'rock':12 'rockabilly':13 'tazmanian':3 'the':10 'wrecktime':5
                                    'search_combo'  '00poprockelectronic':10 'alley':4A,20 'devils':6B,13 'down':2A,18 'lp':8C,9C,15,16 'musica':11 'or':23 'psychobilly':24 'race':1A,17 'rock':21 'rockabilly':22 'tazmanian':5B,12 'the':3A,19 'wrecktime':7C,14
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', '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-1', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['psychobilly', 'old-school psychobilly', 'german', 'old school psychobilly', 'power pop']
                                        'tag_date'  2007
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620526899.790059  (2021-05-09 04:21:39)
                             'size'  3630596