======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '257'
                                          'artist'  'The Dresden Dolls'
                                     'text_people'  ''
                                         'release'  'Live at the Bonge club'
                                           'title'  'UGHmerica (feat. Regina Spekto'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'Q-PIANO-3', 'q-chart-4', 'q-drums-1', 'q-other-2', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['punk cabaret', 'indie', 'cabaret', 'dark cabaret', 'dresden dolls']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter;ifs-songwriter-eos'
                                             'bpm'  '86.034'
                                             'key'  '3B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Live at the Bonge club'
'TBPM' (BPM (beats per minute))                     '86.034'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter', 'ifs-songwriter-eos']
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'UGHmerica (feat. Regina Spekto'
'TKEY' (Initial key)                                '3B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Dresden Dolls'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['punk cabaret', 'indie', 'cabaret', 'dark cabaret', 'dresden dolls']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.46 dB'
'TXXX:replaygain_track_peak'                        '0.751719'

========================== row from database ==========================
                                              'id'  1377589
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/00songwriter-eos/Dresden Dolls & Amanda Palmer/Live, misc/03. UGHmerica.  Amanda Palmer of the Dresden Dolls with guest  Regina Spektor Live at the Bongo Club Edinburgh 23rd August 2005..mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  257
                                           'genre'  ifs-songwriter;ifs-songwriter-eos
                                        'filesize'  5166404
                                           'mtime'  1636401348
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 00songwriter eos & Amanda Palmer Live, misc 03. UGHmerica. Amanda Palmer of with guest Spektor Bongo Club Edinburgh 23rd August 2005. ifs songwriter;ifs songwriter eos
                                      'tag_artist'  The Dresden Dolls
                                     'tag_release'  Live at the Bonge club
                                       'tag_title'  UGHmerica (feat. Regina Spekto
                                             'bpm'  86.034
                                    'search_title'  'feat':2,3 'regina':4 'spekto':5 'ughmerica':1
                                   'search_artist'  'dolls':3 'dresden':2 'the':1
                                  'search_release'  'at':2 'bonge':4 'club':5 'live':1 'the':3
                                     'search_rest'  '00singer':1 '00songwriter':4 '03':10,11 '2005':23,24 '23rd':21 'amanda':5 'august':22 'bongo':18 'club':19 'edinburgh':20 'eos':3 'guest':16 'ifs':25,27,29 'live':7,8 'misc':9 'of':14 'palmer':6 'songwriter':2,26,28 'spektor':17 'ughmerica':12,13 'with':15
                                    'search_combo'  '00singer':14 '00songwriter':17 '03':23,24 '2005':36,37 '23rd':34 'amanda':18 'at':10C 'august':35 'bonge':12C 'bongo':31 'club':13C,32 'dolls':8B 'dresden':7B 'edinburgh':33 'eos':16 'feat':2A,3A 'guest':29 'ifs':38,40,42 'live':9C,20,21 'misc':22 'of':27 'palmer':19 'regina':4A 'songwriter':15,39,41 'spekto':5A 'spektor':30 'the':6B,11C 'ughmerica':1A,25,26 'with':28
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  3B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-mixbeat-2', 'Q-PIANO-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['punk cabaret', 'indie', 'cabaret', 'dark cabaret', 'dresden dolls']
                                        'tag_date'  2000
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636401347.8909893  (2021-11-08 20:55:47)
                             'size'  5166404