======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '317'
                                          'artist'  '6 or 7'
                                     'text_people'  ''
                                         'release'  'Classwar Karaoke - 0017 Survey'
                                           'title'  'Mineralisch (Short Live Ver.)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['classwar karaoke', 'avant garde']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '109.468'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Classwar Karaoke - 0017 Survey'
'TBPM' (BPM (beats per minute))                     '109.468'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'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)         'Mineralisch (Short Live Ver.)'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               '6 or 7'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '01'
'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:lastfmtags'                                   ['classwar karaoke', 'avant garde']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.47 dB'
'TXXX:replaygain_track_peak'                        '0.494426'

========================== row from database ==========================
                                              'id'  1362684
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/FluiD - 2012 - classwar karaoke - 0017 survey/6 or 7 - classwar karaoke - 0017 survey - 01 - mineralisch (short live ver.).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  317
                                           'genre'  electronic-experimental
                                        'filesize'  12703960
                                           'mtime'  1622758894
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm FluiD 2012 classwar karaoke survey classwar karaoke survey mineralisch (short live ver.) electronic experimental
                                      'tag_artist'  6 or 7
                                     'tag_release'  Classwar Karaoke - 0017 Survey
                                       'tag_title'  Mineralisch (Short Live Ver.)
                                             'bpm'  109.468
                                    'search_title'  'live':4 'mineralisch':1 'short':2,3 'ver':5,6
                                   'search_artist'  '6':1 '7':3 'or':2
                                  'search_release'  'classwar':1 'karaoke':2 'survey':3
                                     'search_rest'  '2012':2 'classwar':3 'd':15 'electronic':12 'experimental':13 'flui':14 'fluid':1 'karaoke':4 'live':9 'mineralisch':6 'short':7,8 'survey':5 'ver':10,11
                                    'search_combo'  '2012':14 '6':7B '7':9B 'classwar':10C,15 'd':27 'electronic':24 'experimental':25 'flui':26 'fluid':13 'karaoke':11C,16 'live':4A,21 'mineralisch':1A,18 'or':8B 'short':2A,3A,19,20 'survey':12C,17 'ver':5A,6A,22,23
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['classwar karaoke', 'avant garde']
                                        'tag_date'  2012
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622758893.5994604  (2021-06-04 00:21:33)
                             'size'  12703960