======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '467'
                                          'artist'  'Pet Shop Boys'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'West End Girls [sasha Mix]'
                                           'quals'  ("['Q-HAP-4', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['80s', 'new wave', 'electronic', 'pop', 'synthpop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '113.644'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '113.644'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'West End Girls [sasha Mix]'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Pet Shop Boys'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'new wave', 'electronic', 'pop', 'synthpop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.73 dB'
'TXXX:replaygain_track_peak'                        '0.920737'

========================== row from database ==========================
                                              'id'  1521796
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00disco-italo/Pet Shop Boys/MBZ;#Pet Shop Boys;#I Wouldn_t Normally Do This Kind Of Thing (US);#05;#West End Girls [Sasha Mix].mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  467
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  14979397
                                           'mtime'  1620610072
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00disco italo MBZ;#Pet Boys;#I Wouldn_t Normally Do This Kind Of Thing (US);#05;#West [Sasha electronic we disco or italo
                                      'tag_artist'  Pet Shop Boys
                                     'tag_release'  None
                                       'tag_title'  West End Girls [sasha Mix]
                                             'bpm'  113.644
                                    'search_title'  'end':2 'girls':3 'mix':6,7 'sasha':4,5 'west':1
                                   'search_artist'  'boys':3 'pet':1 'shop':2
                                  'search_release'  
                                     'search_rest'  '00disco':4 '00poprockelectronic':1 '05':23,26 'boys':10,12 'disco':3 'do':17 'electronic':30 'i':11,13 'italo':5 'kind':19 'mbz':6,8 'normally':16 'of':20 'or':32 'pet':7,9 'sasha':28,29 't':15 'thing':21 'this':18 'us':22,25 'waves':2 'we':31 'west':24,27 'wouldn':14
                                    'search_combo'  '00disco':14 '00poprockelectronic':11 '05':33,36 'boys':10B,20,22 'disco':13 'do':27 'electronic':40 'end':2A 'girls':3A 'i':21,23 'italo':15 'kind':29 'mbz':16,18 'mix':6A,7A 'normally':26 'of':30 'or':42 'pet':8B,17,19 'sasha':4A,5A,38,39 'shop':9B 't':25 'thing':31 'this':28 'us':32,35 'waves':12 'we':41 'west':1A,34,37 'wouldn':24
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-4', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'electronic', 'pop', 'synthpop']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620610072.136372  (2021-05-10 03:27:52)
                             'size'  14979397