======================== unified (from filesystem) ========================
                                         'bitrate'  '320.016'
                                        'duration'  '142'
                                          'artist'  'Moby Grape'
                                     'text_people'  ''
                                         'release'  '100 Oldies Deel 119'
                                           'title'  'Gypsy Wedding'
                                           'quals'  ("['Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['psychedelic rock', '60s', 'psychedelic', 'classic rock', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '78'
                                      'tracktotal'  '100'
                                            'date'  '1992'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted'
                                             'bpm'  '97.3'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     '100 Oldies Deel 119'
'TBPM' (BPM (beats per minute))                     '97.3'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-unsorted'
'TDRC' (Recording time)                             '1992'
'TENC' (Encoded by)                                 'Mister X'
'TIT2' (Title/songname/content description)         'Gypsy Wedding'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Moby Grape'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '78/100'
'TSSE' (Software/Hardware and settings used for encoding)  ('Audiograbber 1.82.01, LAME dll 3.93, VBR 0 (Default method), Stereo, High '
 'quality')
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['psychedelic rock', '60s', 'psychedelic', 'classic rock', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.30 dB'
'TXXX:replaygain_track_peak'                        '0.660739'

========================== row from database ==========================
                                              'id'  1360985
                                            'path'  /data/Music/Bulk/00poprockelectronic/100 oldies deel 119/78 Moby Grape - Gypsy Wedding.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  142
                                           'genre'  electronic-generic or radio-unsorted
                                        'filesize'  6133205
                                           'mtime'  1620565219
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic oldies deel 78 electronic generic or radio unsorted
                                      'tag_artist'  Moby Grape
                                     'tag_release'  100 Oldies Deel 119
                                       'tag_title'  Gypsy Wedding
                                             'bpm'  97.3
                                    'search_title'  'gypsy':1 'wedding':2
                                   'search_artist'  'grape':2 'moby':1
                                  'search_release'  '100':1 '119':4 'deel':3 'oldies':2
                                     'search_rest'  '00poprockelectronic':1 '78':4 'deel':3 'electronic':5 'generic':6 'oldies':2 'or':7 'radio':8 'unsorted':9
                                    'search_combo'  '00poprockelectronic':9 '100':5C '119':8C '78':12 'deel':7C,11 'electronic':13 'generic':14 'grape':4B 'gypsy':1A 'moby':3B 'oldies':6C,10 'or':15 'radio':16 'unsorted':17 'wedding':2A
                                    'tag_tracknum'  78
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['psychedelic rock', '60s', 'psychedelic', 'classic rock', 'rock']
                                        'tag_date'  1992
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620565218.5810323  (2021-05-09 15:00:18)
                             'size'  6133205