======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '219'
                                          'artist'  'Dunkelbont'
                                     'text_people'  ''
                                         'release'  'Balkanizacija: BalkanBeat i LevantianDub'
                                           'title'  'The Chocolate Butterfly'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '06'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'loc-style-gypsy or balkan or klezmer;mi-brass'
                                             'bpm'  '129.896'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Balkanizacija: BalkanBeat i LevantianDub'
'TBPM' (BPM (beats per minute))                     '129.896'
'TCON' (Content type, a.k.a. Genre)                 ['loc-style-gypsy or balkan or klezmer', 'mi-brass']
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'The Chocolate Butterfly'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Dunkelbont'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '06'
'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:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.83 dB'
'TXXX:replaygain_track_peak'                        '0.532988'

========================== row from database ==========================
                                              'id'  1382983
                                            'path'  /data/Music/Bulk/00localcharacter/balkanizacija, balkan beats & levantin dub/06. [dunkelbunt] feat raf mc & fanfare ciocarlia – the chocolate butterfly.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  219
                                           'genre'  loc-style-gypsy or balkan or klezmer;mi-brass
                                        'filesize'  7039324
                                           'mtime'  1620530140
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter balkanizacija, balkan beats & levantin dub 06. [dunkelbunt] feat raf mc & fanfare ciocarlia – the chocolate butterfly loc style gypsy or balkan or klezmer;mi brass
                                      'tag_artist'  Dunkelbont
                                     'tag_release'  Balkanizacija: BalkanBeat i LevantianDub
                                       'tag_title'  The Chocolate Butterfly
                                             'bpm'  129.896
                                    'search_title'  'butterfly':3 'chocolate':2 'the':1
                                   'search_artist'  'dunkelbont':1
                                  'search_release'  'balkan':6 'balkanbeat':3 'balkanizacija':1,2 'beat':7 'dub':9 'i':4 'levantian':8 'levantiandub':5
                                     'search_rest'  '06':7,8 'balkan':3 'balkanizacija':1,2 'beats':4 'brass':27 'butterfly':18 'chocolate':17 'ciocarlia':15 'dub':6 'dunkelbunt':9,10 'fanfare':14 'feat':11 'gypsy':21 'klezmer':23,25 'levantin':5 'loc':19 'mc':13 'mi':24,26 'or':22 'raf':12 'style':20 'the':16
                                    'search_combo'  '06':20,21 'balkan':10C,16 'balkanbeat':7C 'balkanizacija':5C,6C,14,15 'beat':11C 'beats':17 'brass':40 'butterfly':3A,31 'chocolate':2A,30 'ciocarlia':28 'dub':13C,19 'dunkelbont':4B 'dunkelbunt':22,23 'fanfare':27 'feat':24 'gypsy':34 'i':8C 'klezmer':36,38 'levantian':12C 'levantiandub':9C 'levantin':18 'loc':32 'mc':26 'mi':37,39 'or':35 'raf':25 'style':33 'the':1A,29
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2007
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620530140.1862767  (2021-05-09 05:15:40)
                             'size'  7039324