======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '151'
                                          'artist'  'Pablo Ribot'
                                     'text_people'  ''
                                         'release'  'Classwar Karaoke - 0017 Survey'
                                           'title'  'gammaA'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-OLDST-3', 'q-chart-1', 'q-drums-3', 'q-other-4', "
 "'q-piano-1', 'q-vocals-2', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['jazz', 'electronic', 'experimental', 'idm', 'downtempo']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '60'
                                      'tracktotal'  ''
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '143.925'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Classwar Karaoke - 0017 Survey'
'TBPM' (BPM (beats per minute))                     '143.925'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TCOP' (Copyright message)                          ('Creative Commons Attribution-NonCommercial-NoDerivatives (aka Music '
 'Sharing): http://creativecommons.org/licenses/by-nc-nd/3.0/')
'TDRC' (Recording time)                             '2012'
'TIT2' (Title/songname/content description)         'gammaA'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Pablo Ribot'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '60'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['jazz', 'electronic', 'experimental', 'idm', 'downtempo']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.87 dB'
'TXXX:replaygain_track_peak'                        '0.620789'

========================== row from database ==========================
                                              'id'  1373884
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/FluiD - 2012 - classwar karaoke - 0017 survey/pablo ribot - classwar karaoke - 0017 survey - 60 - gammaa.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  151
                                           'genre'  electronic-unsorted
                                        'filesize'  6063620
                                           'mtime'  1622758901
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm FluiD 2012 classwar karaoke survey pablo ribot classwar karaoke survey 60 gammaa electronic unsorted
                                      'tag_artist'  Pablo Ribot
                                     'tag_release'  Classwar Karaoke - 0017 Survey
                                       'tag_title'  gammaA
                                             'bpm'  143.925
                                    'search_title'  'a':3 'gamma':2 'gammaa':1
                                   'search_artist'  'pablo':1 'ribot':2
                                  'search_release'  'classwar':1 'karaoke':2 'survey':3
                                     'search_rest'  '2012':2 '60':8 'classwar':3 'd':13 'electronic':10 'flui':12 'fluid':1 'gammaa':9 'karaoke':4 'pablo':6 'ribot':7 'survey':5 'unsorted':11
                                    'search_combo'  '2012':10 '60':16 'a':3A 'classwar':6C,11 'd':21 'electronic':18 'flui':20 'fluid':9 'gamma':2A 'gammaa':1A,17 'karaoke':7C,12 'pablo':4B,14 'ribot':5B,15 'survey':8C,13 'unsorted':19
                                    'tag_tracknum'  60
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['jazz', 'electronic', 'experimental', 'idm', 'downtempo']
                                        'tag_date'  2012
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1622758901.016098  (2021-06-04 00:21:41)
                             'size'  6063620