======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '138'
                                          'artist'  'Schaum Der Tage'
                                     'text_people'  ''
                                         'release'  'Insane Music for Insane People Vol 22 & 24'
                                           'title'  'Freundschaft'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-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-4', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['minimal synth', 'darkwave', 'melancholy', 'hovi vocal', 'synthpop']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1987'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted;set-pl-mor'
                                             'bpm'  '94.0'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Insane Music for Insane People Vol 22 & 24'
'TBPM' (BPM (beats per minute))                     '94.0'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-unsorted', 'set-pl-mor']
'TDRC' (Recording time)                             '1987'
'TIT2' (Title/songname/content description)         'Freundschaft'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Schaum Der Tage'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'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:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['minimal synth', 'darkwave', 'melancholy', 'hovi vocal', 'synthpop']
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.55 dB'
'TXXX:replaygain_track_peak'                        '0.507558'
'TXXX:tracknum'                                     '01'

========================== row from database ==========================
                                              'id'  1367998
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Onnyk - Insane Music For Insane People Vol. 22 & 24 (Insane Music, 1987-88) [160k]/01 Schaum Der Tage - Freundschaft.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  138
                                           'genre'  electronic-unsorted;set-pl-mor
                                        'filesize'  2769075
                                           'mtime'  1638556466
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Onnyk For Vol. (Insane Music, 1987 88) [160k] 01 electronic unsorted;set mor
                                      'tag_artist'  Schaum Der Tage
                                     'tag_release'  Insane Music for Insane People Vol 22 & 24
                                       'tag_title'  Freundschaft
                                             'bpm'  94.0
                                    'search_title'  'freundschaft':1
                                   'search_artist'  'der':2 'schaum':1 'tage':3
                                  'search_release'  '22':6 '24':7 'for':3 'insane':1 'music':2 'people':4 'vol':5
                                     'search_rest'  '160k':12,13 '1987':9 '88':10,11 'electronic':14 'for':2 'insane':5,6 'mor':19 'music':7,8 'onnyk':1 'set':16,18 'unsorted':15,17 'vol':3,4
                                    'search_combo'  '160k':23,24 '1987':20 '22':10C '24':11C '88':21,22 'der':3B 'electronic':25 'for':7C,13 'freundschaft':1A 'insane':5C,16,17 'mor':30 'music':6C,18,19 'onnyk':12 'people':8C 'schaum':2B 'set':27,29 'tage':4B 'unsorted':26,28 'vol':9C,14,15
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['minimal synth', 'darkwave', 'melancholy', 'hovi vocal', 'synthpop']
                                        'tag_date'  1987
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1638556466.4012153  (2021-12-03 19:34:26)
                             'size'  2769075