======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '192'
                                          'artist'  't.A.T.u.'
                                     'text_people'  ''
                                         'release'  '200 km/h in the Wrong Lane'
                                           'title'  'Clowns (Can You See Me Now?)'
                                           'quals'  ("['q-bass-3', 'q-play-3', 'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', "
 "'q-vocals-3']")
                                      'lastfmtags'  "['russian', 'electronic', 'dance', 'female vocalists', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'pop-generic or radio-dance'
                                             'bpm'  '132.966'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '200 km/h in the Wrong Lane'
'TBPM' (BPM (beats per minute))                     '132.966'
'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)         'Clowns (Can You See Me Now?)'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               't.A.T.u.'
'TRCK' (Track number/Position in set)               '6'
'TXXX:lastfmtags'                                   ['russian', 'electronic', 'dance', 'female vocalists', 'pop']
'TXXX:q-bass'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.75 dB'
'TXXX:replaygain_track_peak'                        '0.444961'

========================== row from database ==========================
                                              'id'  1405578
                                            '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;#06;#Clowns (Can You See Me Now).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  192
                                           'genre'  pop-generic or radio-dance
                                        'filesize'  4618101
                                           '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 Lane;#06;#Clowns Now) pop generic or radio dance
                                      'tag_artist'  t.A.T.u.
                                     'tag_release'  200 km/h in the Wrong Lane
                                       'tag_title'  Clowns (Can You See Me Now?)
                                             'bpm'  132.966
                                    'search_title'  'can':2,3 'clowns':1 'me':6 'now':7,8 'see':5 'you':4
                                   '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 '06':24,27 '200':18,21,39,41 'atu':38,40 'bulk':9 'clowns':25,28 'compressed':7 'dance':3 'data':5 'elec':10 'generic':2 'in':14 'km':13 'kmh':22 'lane':23,26 'mbz':16,19,34,36 'music':8 'now':29,30 'or':32 'pool':6 'pop':31 'radio':33 'synthy':11 't':35,37 'tatu':17,20 'techy':12 'the':15 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':22 '06':45,48 '200':14C,39,42,60,62 'a':10B 'atu':59,61 'bulk':30 'can':2A,3A 'clowns':1A,46,49 'compressed':28 'dance':24 'data':26 'elec':31 'generic':23 'h':16C 'in':18C,35 'km':15C,34 'kmh':17C,43 'lane':21C,44,47 'mbz':37,40,55,57 'me':6A 'music':29 'now':7A,8A,50,51 'or':53 'pool':27 'pop':52 'radio':54 'see':5A 'synthy':32 't':9B,11B,56,58 'tatu':13B,38,41 'techy':33 'the':19C,36 'trapbeat':25 'u':12B 'wrong':20C 'you':4A
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['q-chart-3', 'q-vocals-3', 'q-other-3', 'q-piano-1', 'q-play-3', 'q-drums-3', 'q-bass-3']
                                      'lastfmtags'  ['russian', 'electronic', 'dance', 'female vocalists', 'pop']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620167187.288932  (2021-05-05 00:26:27)
                             'size'  4618101