======================== unified (from filesystem) ========================
                                         'bitrate'  '211.995'
                                        'duration'  '312'
                                          'artist'  'Green Velvet'
                                     'text_people'  ''
                                         'release'  'Renaissance Anthems 2002 (disc'
                                           'title'  'La La Land'
                                           'quals'  ("['Q-HAP-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-UNU-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'house', 'techno', 'electronic', 'electro']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '127.846'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Renaissance Anthems 2002 (disc'
'TBPM' (BPM (beats per minute))                     '127.846'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'La La Land'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Green Velvet'
'TRCK' (Track number/Position in set)               '11'
'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'                                   ['electronica', 'house', 'techno', 'electronic', 'electro']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.35 dB'
'TXXX:replaygain_track_peak'                        '0.699822'

========================== row from database ==========================
                                              'id'  1456510
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/00mixable/Unsorted/Green Velvet__Renaissance Anthems 2002 (Disc 1 - At The Bar)__11 - La La Land.mp3
                                         'working'  None
                                         'bitrate'  212
                                    'duration_sec'  312
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  8288971
                                           'mtime'  1642341036
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat 00mixable Unsorted Velvet__Renaissance (Disc 1 At The Bar)__11 electronic generic or radio dance
                                      'tag_artist'  Green Velvet
                                     'tag_release'  Renaissance Anthems 2002 (disc
                                       'tag_title'  La La Land
                                             'bpm'  127.846
                                    'search_title'  'la':1 'land':2
                                   'search_artist'  'green':1 'velvet':2
                                  'search_release'  '2002':3 'anthems':2 'disc':4,5 'renaissance':1
                                     'search_rest'  '00mixable':5 '00poprockelectronic':1 '1':11 '11':15,17 'at':12 'bar':14,16 'dance':3 'disc':9,10 'electronic':18 'generic':2 'or':19 'radio':20 'renaissance':8 'the':13 'trapbeat':4 'unsorted':6 'velvet':7
                                    'search_combo'  '00mixable':14 '00poprockelectronic':10 '1':20 '11':24,26 '2002':7C 'anthems':6C 'at':21 'bar':23,25 'dance':12 'disc':8C,9C,18,19 'electronic':27 'generic':11 'green':3B 'la':1A 'land':2A 'or':28 'radio':29 'renaissance':5C,17 'the':22 'trapbeat':13 'unsorted':15 'velvet':4B,16
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HAP-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-UNU-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-3']
                                      'lastfmtags'  ['electronica', 'house', 'techno', 'electronic', 'electro']
                                        'tag_date'  2001
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1642341036.1456122  (2022-01-16 14:50:36)
                             'size'  8288971