======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '299'
                                          'artist'  'Terrorgruppe'
                                     'text_people'  ''
                                         'release'  'Live im Berliner SO36 am 25.11.1994'
                                           'title'  'As Tears Go By'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['german', 'punk rock', 'deutschpunk', 'punk', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '141.809'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Live im Berliner SO36 am 25.11.1994'
'TBPM' (BPM (beats per minute))                     '141.809'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDRC' (Recording time)                             '1994'
'TIT2' (Title/songname/content description)         'As Tears Go By'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Terrorgruppe'
'TXXX:Mp3gain_minmax'                               '142,179'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:Tracknum'                                     '17'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['german', 'punk rock', 'deutschpunk', 'punk', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.07 dB'
'TXXX:replaygain_track_peak'                        '0.575411'

========================== row from database ==========================
                                              'id'  1416987
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/Terrorgruppe/Live im Berliner SO36 am 25.11.1994/Terrorgruppe - As Tears Go By - 17.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  299
                                           'genre'  rock-gr-punk
                                        'filesize'  4799359
                                           'mtime'  1622659142
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner 17 rock punk
                                      'tag_artist'  Terrorgruppe
                                     'tag_release'  Live im Berliner SO36 am 25.11.1994
                                       'tag_title'  As Tears Go By
                                             'bpm'  141.809
                                    'search_title'  'as':1 'by':4 'go':3 'tears':2
                                   'search_artist'  'terrorgruppe':1
                                  'search_release'  '11':7 '1994':8 '25':6 '25111994':9 'am':5 'berliner':3 'im':2 'live':1 'so36':4
                                     'search_rest'  'garage':2 'punk':1 'rock':5 'stoner':4 'surf':3
                                    'search_combo'  '11':12C '1994':13C '25':11C '25111994':14C 'am':10C 'as':1A 'berliner':8C 'by':4A 'garage':16 'go':3A 'im':7C 'live':6C 'punk':15 'rock':19 'so36':9C 'stoner':18 'surf':17 'tears':2A 'terrorgruppe':5B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', '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-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['german', 'punk rock', 'deutschpunk', 'punk', 'rock']
                                        'tag_date'  1994
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1622659141.7442167  (2021-06-02 20:39:01)
                             'size'  4799359