======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '453'
                                          'artist'  'Matt Coldrick'
                                     'text_people'  'Mixed by Alex Hephaestion'
                                         'release'  "Ambient Nights [Ethni-City] 'A Patchwork Quilt [The Cover]'"
                                           'title'  'Naval Orange Purity'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'q-syn-3', 'q-bass-4', 'q-busy-1', 'q-grit-2', "
 "'q-play-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-chart-1', 'q-drums-1', 'q-other-3', "
 "'q-piano-1', 'q-vocals-2', 'Q-HHRNBTT-1', 'q-mixbeat-2', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['ambient', 'absolute ambient', 'hillier', 'spacestation']"
                                     'discogstags'  "['electronic', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '08'
                                      'tracktotal'  '10'
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '143.3'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     "Ambient Nights [Ethni-City] 'A Patchwork Quilt [The Cover]'"
'TBPM' (BPM (beats per minute))                     '143.3'
'TCMP'                                              '1'
'TCOM' (Composer)                                   'Mixed by Alex Hephaestion'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Naval Orange Purity'
'TKEY' (Initial key)                                '10B'
'TLEN' (Length)                                     '453015'
'TPE1' (Lead performer(s)/Soloist(s))               'Matt Coldrick'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '08/10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'ambient']
'TXXX:lastfmtags'                                   ['ambient', 'absolute ambient', 'hillier', 'spacestation']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '1'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.59 dB'
'TXXX:replaygain_track_peak'                        '0.771762'

========================== row from database ==========================
                                              'id'  1372833
                                            'path'  /data/Music/Bulk/00poprockelectronic/00calmer/Craig Padilla & Zero Ohms - A Patchwork Quilt [The Cover] (2010)/08. Matt Coldrick - Naval Orange Purity.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  453
                                           'genre'  electronic
                                        'filesize'  18385088
                                           'mtime'  1636913103
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00calmer Craig Padilla & Zero Ohms (2010) 08. electronic
                                      'tag_artist'  Matt Coldrick
                                     'tag_release'  Ambient Nights [Ethni-City] 'A Patchwork Quilt [The Cover]'
                                       'tag_title'  Naval Orange Purity
                                             'bpm'  143.3
                                    'search_title'  'naval':1 'orange':2 'purity':3
                                   'search_artist'  'coldrick':2 'matt':1
                                  'search_release'  'a':6,7 'ambient':1 'city':4 'cover':12,13 'ethni':3 'ethnicity':5 'nights':2 'patchwork':8 'quilt':9 'the':10,11
                                     'search_rest'  '00calmer':2 '00poprockelectronic':1 '08':9,10 '2010':7,8 'craig':3 'electronic':11 'ohms':6 'padilla':4 'zero':5
                                    'search_combo'  '00calmer':20 '00poprockelectronic':19 '08':27,28 '2010':25,26 'a':11C,12C 'ambient':6C 'city':9C 'coldrick':5B 'cover':17C,18C 'craig':21 'electronic':29 'ethni':8C 'ethnicity':10C 'matt':4B 'naval':1A 'nights':7C 'ohms':24 'orange':2A 'padilla':22 'patchwork':13C 'purity':3A 'quilt':14C 'the':15C,16C 'zero':23
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-1', 'q-drums-1', 'q-syn-3', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['ambient', 'absolute ambient', 'hillier', 'spacestation']
                                        'tag_date'  2010
                                     'discogstags'  ['electronic', 'ambient']

============================== file details ==============================
                                           'mtime'  1636913103.0799015  (2021-11-14 19:05:03)
                             'size'  18385088