======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '168'
                                          'artist'  'Txistularis Hermanos Landaluce y Sr. Elola'
                                     'text_people'  ''
                                         'release'  'Excavated Shellac'
                                           'title'  'Fandango Contradanza'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-2', 'Q-LOCALNESS-3', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['all']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1930'
                                        'comments'  ''
                                           'genre'  'loc-style-gypsy or balkan or klezmer;mi-brass'
                                             'bpm'  '124.087'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Excavated Shellac'
'TBPM' (BPM (beats per minute))                     '124.087'
'TCON' (Content type, a.k.a. Genre)                 ['loc-style-gypsy or balkan or klezmer', 'mi-brass']
'TDRC' (Recording time)                             '1930'
'TIT2' (Title/songname/content description)         'Fandango Contradanza'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Txistularis Hermanos Landaluce y Sr. Elola'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   'all'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.36 dB'
'TXXX:replaygain_track_peak'                        '0.594645'

========================== row from database ==========================
                                              'id'  1390215
                                            'path'  /data/Music/Bulk/00localcharacter/0slam Yusufov - Excavated Shellac/[basque, 1928]Txistularis_Hermanos_Landaluce_y_Sr_Elola_-_Fandango_Contradanza.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  168
                                           'genre'  loc-style-gypsy or balkan or klezmer;mi-brass
                                        'filesize'  4050986
                                           'mtime'  1620528346
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 0slam Yusufov [basque, 1928]Txistularis_Hermanos_Landaluce_y_Sr_Elola_ _Fandango_Contradanza loc style gypsy or balkan or klezmer;mi brass
                                      'tag_artist'  Txistularis Hermanos Landaluce y Sr. Elola
                                     'tag_release'  Excavated Shellac
                                       'tag_title'  Fandango Contradanza
                                             'bpm'  124.087
                                    'search_title'  'contradanza':2 'fandango':1
                                   'search_artist'  'elola':7 'hermanos':2 'landaluce':3 'sr':5,6 'txistularis':1 'y':4
                                  'search_release'  'excavated':1 'shellac':2
                                     'search_rest'  '0slam':1 '1928':5 '1928txistularis':12 'balkan':24 'basque':3,4 'brass':29 'contradanza':19 'elola':11,17 'fandango':18 'gypsy':22 'hermanos':7,13 'klezmer':25,27 'landaluce':8,14 'loc':20 'mi':26,28 'or':23 'sr':10,16 'style':21 'txistularis':6 'y':9,15 'yusufov':2
                                    'search_combo'  '0slam':12 '1928':16 '1928txistularis':23 'balkan':35 'basque':14,15 'brass':40 'contradanza':2A,30 'elola':9B,22,28 'excavated':10C 'fandango':1A,29 'gypsy':33 'hermanos':4B,18,24 'klezmer':36,38 'landaluce':5B,19,25 'loc':31 'mi':37,39 'or':34 'shellac':11C 'sr':7B,8B,21,27 'style':32 'txistularis':3B,17 'y':6B,20,26 'yusufov':13
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['all']
                                        'tag_date'  1930
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528345.705162  (2021-05-09 04:45:45)
                             'size'  4050986