======================== unified (from filesystem) ========================
                                         'bitrate'  '128.081'
                                        'duration'  '275'
                                          'artist'  't.A.T.u.'
                                     'text_people'  ''
                                         'release'  '200 km/h in the Wrong Lane'
                                           'title'  'Nas Ne Dogonyat'
                                           'quals'  ("['q-bass-4', 'q-play-3', 'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', "
 "'q-vocals-2']")
                                      'lastfmtags'  "['russian', 'electronic', 'dance', 'female vocalists', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'pop-generic or radio-dance'
                                             'bpm'  '130.063'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '200 km/h in the Wrong Lane'
'TBPM' (BPM (beats per minute))                     '130.063'
'TCON' (Content type, a.k.a. Genre)                 'pop-generic or radio-dance'
'TDOR' (Original release time)                      '2002'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Nas Ne Dogonyat'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               't.A.T.u.'
'TRCK' (Track number/Position in set)               '1'
'TXXX:lastfmtags'                                   ['russian', 'electronic', 'dance', 'female vocalists', 'pop']
'TXXX:q-bass'                                       '4'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.59 dB'
'TXXX:replaygain_track_peak'                        '0.523170'

========================== row from database ==========================
                                              'id'  1405360
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/t.A.T.u. - /data/pool/compressed/Music/Bulk/00poprockelectronic-elec-synthy-techy/t.A.T.u/200 Km h In The Wrong Lane/MBZ;#tATu;#200 kmh in the Wrong Lane         ;#01;#Not Gonna Get Us.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  275
                                           'genre'  pop-generic or radio-dance
                                        'filesize'  4415350
                                           'mtime'  1620167187
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat data pool compressed Music Bulk 00poprockelectronic elec synthy techy Km In The MBZ;#tATu;#200 kmh ;#01;#Not Gonna Get Us pop generic or radio dance
                                      'tag_artist'  t.A.T.u.
                                     'tag_release'  200 km/h in the Wrong Lane
                                       'tag_title'  Nas Ne Dogonyat
                                             'bpm'  130.063
                                    'search_title'  'dogonyat':3 'nas':1 'ne':2
                                   'search_artist'  'a':2 't':1,3 'tatu':5 'u':4
                                  'search_release'  '200':1 'h':3 'in':5 'km':2 'kmh':4 'lane':8 'the':6 'wrong':7
                                     'search_rest'  '00poprockelectronic':1 '01':23,25 '200':18,21,38,40 'atu':37,39 'bulk':9 'compressed':7 'dance':3 'data':5 'elec':10 'generic':2 'get':28 'gonna':27 'in':14 'km':13 'kmh':22 'mbz':16,19,33,35 'music':8 'not':24,26 'or':31 'pool':6 'pop':30 'radio':32 'synthy':11 't':34,36 'tatu':17,20 'techy':12 'the':15 'trapbeat':4 'us':29
                                    'search_combo'  '00poprockelectronic':17 '01':39,41 '200':9C,34,37,54,56 'a':5B 'atu':53,55 'bulk':25 'compressed':23 'dance':19 'data':21 'dogonyat':3A 'elec':26 'generic':18 'get':44 'gonna':43 'h':11C 'in':13C,30 'km':10C,29 'kmh':12C,38 'lane':16C 'mbz':32,35,49,51 'music':24 'nas':1A 'ne':2A 'not':40,42 'or':47 'pool':22 'pop':46 'radio':48 'synthy':27 't':4B,6B,50,52 'tatu':8B,33,36 'techy':28 'the':14C,31 'trapbeat':20 'u':7B 'us':45 'wrong':15C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['q-chart-3', 'q-vocals-2', 'q-other-2', 'q-piano-1', 'q-play-3', 'q-drums-4', 'q-bass-4']
                                      'lastfmtags'  ['russian', 'electronic', 'dance', 'female vocalists', 'pop']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620167187.2849324  (2021-05-05 00:26:27)
                             'size'  4415350