======================== unified (from filesystem) ========================
                                         'bitrate'  '309.802'
                                        'duration'  '127'
                                          'artist'  'Guitar Wolf'
                                     'text_people'  'Guitar Wolf'
                                         'release'  'Jet Generation'
                                           'title'  'Can-Nana Fever (Jet Version)'
                                           'quals'  ("['Q-OLDST-3', 'Q-LOCALNESS-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', "
 "'Q-HHRNBTT-1', 'q-bass-3', 'q-drums-2', 'q-other-3', 'q-piano-1', "
 "'q-vocals-3', 'Q-SYN-2', 'Q-BUSY-3', 'Q-GRIT-3', 'Q-PLAY-2', 'Q-CHART-2', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['garage punk', 'punk', 'j-rock', 'japanese', 'garage rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;loc-asia-japan'
                                             'bpm'  '136.6'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Jet Generation'
'TBPM' (BPM (beats per minute))                     '136.6'
'TCOM' (Composer)                                   'Guitar Wolf'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'loc-asia-japan']
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Can-Nana Fever (Jet Version)'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Guitar Wolf'
'TPE2' (Band/orchestra/accompaniment)               'Guitar Wolf'
'TPUB' (Publisher)                                  'Sony Music Distribution'
'TRCK' (Track number/Position in set)               '13'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '3'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['garage punk', 'punk', 'j-rock', 'japanese', 'garage rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.10 dB'
'TXXX:replaygain_track_peak'                        '0.192841'

========================== row from database ==========================
                                              'id'  1483678
                                            'path'  /data/Music/Bulk/00localcharacter/Guitar Wolf/Jet Generation (1999)/13 - Can-Nana Fever (Jet Version).mp3
                                         'working'  None
                                         'bitrate'  309
                                    'duration_sec'  127
                                           'genre'  rock-gr-garage;loc-asia-japan
                                        'filesize'  4945297
                                           'mtime'  1620385921
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter (1999) 13 rock gr garage;loc asia japan
                                      'tag_artist'  Guitar Wolf
                                     'tag_release'  Jet Generation
                                       'tag_title'  Can-Nana Fever (Jet Version)
                                             'bpm'  136.6
                                    'search_title'  'can':1 'cannana':3 'fever':4 'jet':5,6 'nana':2 'version':7,8
                                   'search_artist'  'guitar':1 'wolf':2
                                  'search_release'  'generation':2 'jet':1
                                     'search_rest'  '1999':1,2 'asia':9 'garage':5,7 'gr':4 'japan':10 'loc':6,8 'rock':3
                                    'search_combo'  '1999':13,14 'asia':21 'can':1A 'cannana':3A 'fever':4A 'garage':17,19 'generation':12C 'gr':16 'guitar':9B 'japan':22 'jet':5A,6A,11C 'loc':18,20 'nana':2A 'rock':15 'version':7A,8A 'wolf':10B
                                    'tag_tracknum'  13
                                      'num_images'  1
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-3', 'Q-GRIT-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-2', 'Q-SYN-2', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-2', 'Q-PLAY-2', 'q-bass-3']
                                      'lastfmtags'  ['garage punk', 'punk', 'j-rock', 'japanese', 'garage rock']
                                        'tag_date'  1999
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620385920.675341  (2021-05-07 13:12:00)
                             'size'  4945297