======================== unified (from filesystem) ========================
                                         'bitrate'  '127.656'
                                        'duration'  '127'
                                          'artist'  'Oleg Kostrow'
                                     'text_people'  ''
                                         'release'  'Commercial Album'
                                           'title'  'Coffin, Zombie, Two Crosses'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-UNU-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['russian', 'new weird russia', 'electronic', 'experimental', 'surf']"
                                     'discogstags'  "['jazz', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness;set-pl-mor;set-pl-shirleyspinoza'
                                             'bpm'  '145.5'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Commercial Album'
'TBPM' (BPM (beats per minute))                     '145.5'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-experimental-oddness', 'set-pl-mor', 'set-pl-shirleyspinoza']
'TDRC' (Recording time)                             '2009'
'TENC' (Encoded by)                                 'Lame 3.97'
'TIT2' (Title/songname/content description)         'Coffin, Zombie, Two Crosses'
'TKEY' (Initial key)                                '6B'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Oleg Kostrow'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:discogstags'                                  ['jazz', 'easy listening']
'TXXX:lastfmtags'                                   ['russian', 'new weird russia', 'electronic', 'experimental', 'surf']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.18 dB'
'TXXX:replaygain_track_peak'                        '0.399086'

========================== row from database ==========================
                                              'id'  1379805
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Oleg Kostrow - Oleg_Kostrow-Commercial_Album-2009-BCC/12-oleg_kostrow-coffin_zombie_two_crosses.mp3
                                         'working'  None
                                         'bitrate'  127
                                    'duration_sec'  127
                                           'genre'  electronic-experimental-oddness;set-pl-mor;set-pl-shirleyspinoza
                                        'filesize'  2032420
                                           'mtime'  1636915811
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Oleg_Kostrow Commercial_Album 2009 BCC 12 oleg_kostrow coffin_zombie_two_crosses electronic experimental oddness;set pl mor;set pl shirleyspinoza
                                      'tag_artist'  Oleg Kostrow
                                     'tag_release'  Commercial Album
                                       'tag_title'  Coffin, Zombie, Two Crosses
                                             'bpm'  145.5
                                    'search_title'  'coffin':1,2 'crosses':6 'two':5 'zombie':3,4
                                   'search_artist'  'kostrow':2 'oleg':1
                                  'search_release'  'album':2 'commercial':1
                                     'search_rest'  '2009':5 'album':4 'bcc':6 'coffin':7 'commercial':3 'crosses':10 'electronic':11 'experimental':12 'kostrow':2 'mor':18,20 'oddness':13,15 'oleg':1 'pl':17 'set':14,16,19,21 'shirleyspinoza':22 'two':9 'zombie':8
                                    'search_combo'  '2009':15 'album':10C,14 'bcc':16 'coffin':1A,2A,17 'commercial':9C,13 'crosses':6A,20 'electronic':21 'experimental':22 'kostrow':8B,12 'mor':28,30 'oddness':23,25 'oleg':7B,11 'pl':27 'set':24,26,29,31 'shirleyspinoza':32 'two':5A,19 'zombie':3A,4A,18
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['russian', 'new weird russia', 'electronic', 'experimental', 'surf']
                                        'tag_date'  2009
                                     'discogstags'  ['jazz', 'easy listening']

============================== file details ==============================
                                           'mtime'  1636915810.5785341  (2021-11-14 19:50:10)
                             'size'  2032420