======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '320'
                                          'artist'  'Amanda Palmer'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  ''
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
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 "'q-chart-3', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['punk cabaret', 'piano', 'female vocalists', 'alternative', 'singer "
 "songwriter']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter;ifs-songwriter-eos'
                                             'bpm'  '145.371'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '145.371'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter', 'ifs-songwriter-eos']
'TDRC' (Recording time)                             '2010'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Amanda Palmer'
'TXXX:Mp3gain_minmax'                               '114,180'
'TXXX:Mp3gain_undo'                                 '+001,+001,N'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['punk cabaret',
 'piano',
 'female vocalists',
 'alternative',
 'singer songwriter']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '4'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.52 dB'
'TXXX:replaygain_track_peak'                        '0.677044'

========================== row from database ==========================
                                              'id'  1373854
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/00songwriter-eos/Dresden Dolls & Amanda Palmer/Live, misc/Amanda Palmer & Nervous Cabaret - House of the rising sun (live  Nov. 14, 2009).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  320
                                           'genre'  ifs-songwriter;ifs-songwriter-eos
                                        'filesize'  5124049
                                           'mtime'  1636401349
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 00songwriter eos Dresden Dolls & Live, misc & Nervous Cabaret House of the rising sun (live Nov. 14, 2009) ifs songwriter;ifs songwriter eos
                                      'tag_artist'  Amanda Palmer
                                     'tag_release'  None
                                       'tag_title'  None
                                             'bpm'  145.371
                                    'search_title'  None
                                   'search_artist'  'amanda':1 'palmer':2
                                  'search_release'  
                                     'search_rest'  '00singer':1 '00songwriter':4 '14':20,21 '2009':22,23 'cabaret':11 'dolls':6 'dresden':5 'eos':3 'house':12 'ifs':24,26,28 'live':7,8,17 'misc':9 'nervous':10 'nov':18,19 'of':13 'rising':15 'songwriter':2,25,27 'sun':16 'the':14
                                    'search_combo'  '00singer':3 '00songwriter':6 '14':22,23 '2009':24,25 'amanda':1B 'cabaret':13 'dolls':8 'dresden':7 'eos':5 'house':14 'ifs':26,28,30 'live':9,10,19 'misc':11 'nervous':12 'nov':20,21 'of':15 'palmer':2B 'rising':17 'songwriter':4,27,29 'sun':18 'the':16
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-mixbeat-2', 'q-play-4', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-piano-1', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['punk cabaret', 'piano', 'female vocalists', 'alternative', 'singer songwriter']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636401349.0761292  (2021-11-08 20:55:49)
                             'size'  5124049