======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '178'
                                          'artist'  'Constantin Gherghina'
                                     'text_people'  'Traditional'
                                         'release'  'Balkanizacija: BalkanBeat i LevantianDub'
                                           'title'  'Doina de Pe Valea Cernei'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['romania', 'trumpet', 'romanian', 'all', 'folklore']"
                                     'discogstags'  "['folk, world, & country', 'folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'loc-style-gypsy or balkan or klezmer;mi-brass'
                                             'bpm'  '145.476'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Balkanizacija: BalkanBeat i LevantianDub'
'TBPM' (BPM (beats per minute))                     '145.476'
'TCOM' (Composer)                                   'Traditional'
'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)         'Doina de Pe Valea Cernei'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Constantin Gherghina'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'World Network'
'TRCK' (Track number/Position in set)               '1'
'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:discogstags'                                  ['folk, world, & country', 'folk']
'TXXX:lastfmtags'                                   ['romania', 'trumpet', 'romanian', 'all', 'folklore']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+2.04 dB'
'TXXX:replaygain_track_peak'                        '0.560366'

========================== row from database ==========================
                                              'id'  1389577
                                            'path'  /data/Music/Bulk/00localcharacter/balkanizacija, balkan beats & levantin dub/01. constantin gherghina – doina de pe valea cernei.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  178
                                           'genre'  loc-style-gypsy or balkan or klezmer;mi-brass
                                        'filesize'  5713746
                                           'mtime'  1620530133
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter balkanizacija, balkan beats & levantin dub 01. constantin gherghina – doina pe valea cernei loc style gypsy or balkan or klezmer;mi brass
                                      'tag_artist'  Constantin Gherghina
                                     'tag_release'  Balkanizacija: BalkanBeat i LevantianDub
                                       'tag_title'  Doina de Pe Valea Cernei
                                             'bpm'  145.476
                                    'search_title'  'cernei':5 'de':2 'doina':1 'pe':3 'valea':4
                                   'search_artist'  'constantin':1 'gherghina':2
                                  'search_release'  'balkan':6 'balkanbeat':3 'balkanizacija':1,2 'beat':7 'dub':9 'i':4 'levantian':8 'levantiandub':5
                                     'search_rest'  '01':7,8 'balkan':3 'balkanizacija':1,2 'beats':4 'brass':23 'cernei':14 'constantin':9 'doina':11 'dub':6 'gherghina':10 'gypsy':17 'klezmer':19,21 'levantin':5 'loc':15 'mi':20,22 'or':18 'pe':12 'style':16 'valea':13
                                    'search_combo'  '01':23,24 'balkan':13C,19 'balkanbeat':10C 'balkanizacija':8C,9C,17,18 'beat':14C 'beats':20 'brass':39 'cernei':5A,30 'constantin':6B,25 'de':2A 'doina':1A,27 'dub':16C,22 'gherghina':7B,26 'gypsy':33 'i':11C 'klezmer':35,37 'levantian':15C 'levantiandub':12C 'levantin':21 'loc':31 'mi':36,38 'or':34 'pe':3A,28 'style':32 'valea':4A,29
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  5B
                                           '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-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['romania', 'trumpet', 'romanian', 'all', 'folklore']
                                        'tag_date'  2007
                                     'discogstags'  ['folk, world, & country', 'folk']

============================== file details ==============================
                                           'mtime'  1620530133.1243994  (2021-05-09 05:15:33)
                             'size'  5713746