======================== unified (from filesystem) ========================
                                         'bitrate'  '170.702'
                                        'duration'  '268'
                                          'artist'  't.A.T.u.'
                                     'text_people'  ''
                                         'release'  '200 km/h in the Wrong Lane'
                                           'title'  'Nas Ne Dagoniat'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-UNU-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['russian', 'electronic', 'dance', 'female vocalists', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '129.564'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '200 km/h in the Wrong Lane'
'TBPM' (BPM (beats per minute))                     '129.564'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Nas Ne Dagoniat'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               't.A.T.u.'
'TRCK' (Track number/Position in set)               '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:lastfmtags'                                   ['russian', 'electronic', 'dance', 'female vocalists', 'pop']
'TXXX:original release date'                        ['2002', '2002']
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.14 dB'
'TXXX:replaygain_track_peak'                        '0.414432'

========================== row from database ==========================
                                              'id'  1405371
                                            '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;#Nas Ne Dagoniat;#10.mp3
                                         'working'  None
                                         'bitrate'  170
                                    'duration_sec'  268
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  5723621
                                           'mtime'  1621695881
                                   '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 Lane;#Nas Dagoniat;#10 electronic generic or radio dance
                                      'tag_artist'  t.A.T.u.
                                     'tag_release'  200 km/h in the Wrong Lane
                                       'tag_title'  Nas Ne Dagoniat
                                             'bpm'  129.564
                                    'search_title'  'dagoniat':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 '10':28,30 '200':18,21,39,41 'atu':38,40 'bulk':9 'compressed':7 'dagoniat':27,29 'dance':3 'data':5 'elec':10 'electronic':31 'generic':2 'in':14 'km':13 'kmh':22 'lane':23,25 'mbz':16,19,34,36 'music':8 'nas':24,26 'or':32 'pool':6 'radio':33 'synthy':11 't':35,37 'tatu':17,20 'techy':12 'the':15 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':17 '10':44,46 '200':9C,34,37,55,57 'a':5B 'atu':54,56 'bulk':25 'compressed':23 'dagoniat':3A,43,45 'dance':19 'data':21 'elec':26 'electronic':47 'generic':18 'h':11C 'in':13C,30 'km':10C,29 'kmh':12C,38 'lane':16C,39,41 'mbz':32,35,50,52 'music':24 'nas':1A,40,42 'ne':2A 'or':48 'pool':22 'radio':49 'synthy':27 't':4B,6B,51,53 'tatu':8B,33,36 'techy':28 'the':14C,31 'trapbeat':20 'u':7B 'wrong':15C
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['russian', 'electronic', 'dance', 'female vocalists', 'pop']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621695881.0889475  (2021-05-22 17:04:41)
                             'size'  5723621