======================== unified (from filesystem) ========================
                                         'bitrate'  '249.766'
                                        'duration'  '319'
                                          'artist'  "Putsch '79"
                                     'text_people'  ''
                                         'release'  'putsch'
                                           'title'  'salted water & sticky fingers'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-chart-2', 'q-drums-3', "
 "'q-other-1', 'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['neo disco', 'electro', 'disco', 'finnish', 'house']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '05'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '103.9'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'putsch'
'TBPM' (BPM (beats per minute))                     '103.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'salted water & sticky fingers'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               "putsch '79"
'TPE2' (Band/orchestra/accompaniment)               "Putsch '79"
'TPUB' (Publisher)                                  'Clone'
'TRCK' (Track number/Position in set)               '05'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['neo disco', 'electro', 'disco', 'finnish', 'house']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.67 dB'
'TXXX:replaygain_track_peak'                        '0.652384'

========================== row from database ==========================
                                              'id'  1506609
                                            'path'  /data/Music/Bulk/00poprockelectronic/Lanig/05 - putsch _79 - salted water & sticky fingers.mp3
                                         'working'  None
                                         'bitrate'  249
                                    'duration_sec'  319
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  9972939
                                           'mtime'  1621085253
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Lanig 05 _79 electronic th techno minimal or deephouse
                                      'tag_artist'  Putsch '79
                                     'tag_release'  putsch
                                       'tag_title'  salted water & sticky fingers
                                             'bpm'  103.9
                                    'search_title'  'fingers':4 'salted':1 'sticky':3 'water':2
                                   'search_artist'  '79':2,3 'putsch':1
                                  'search_release'  'putsch':1
                                     'search_rest'  '00poprockelectronic':1 '79':3 'deephouse':9 'electronic':4 'lanig':2 'minimal':7 'or':8 'techno':6 'th':5
                                    'search_combo'  '00poprockelectronic':9 '79':6B,7B,11 'deephouse':17 'electronic':12 'fingers':4A 'lanig':10 'minimal':15 'or':16 'putsch':5B,8C 'salted':1A 'sticky':3A 'techno':14 'th':13 'water':2A
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['neo disco', 'electro', 'disco', 'finnish', 'house']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621085252.7092917  (2021-05-15 15:27:32)
                             'size'  9972939