======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '206'
                                          'artist'  'Toni Iordache'
                                     'text_people'  ''
                                         'release'  'Sounds From A Bygone Age · Vol.4'
                                           'title'  'Cântec De Ascultare Al Lui Stoican Bătrînul'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
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 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['romanian', 'cimbalom', 'balkan', 'romania', 'gypsy']"
                                     'discogstags'  "['folk, world, & country', 'folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '14'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'loc-style-gypsy or balkan or klezmer'
                                             'bpm'  '123.5'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Sounds From A Bygone Age · Vol.4'
'TBPM' (BPM (beats per minute))                     '123.5'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-gypsy or balkan or klezmer'
'TDRC' (Recording time)                             '2007'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['accordion', 'Buze Pane'], ['accordion', 'Bebe Șerban'], ['accordion', 'Nicu Bela'], ['violin', 'Mitică Chiru'], ['double bass', 'Ion Barbulea'], ['trumpet', 'Costel Vasilescu']])
'TIT2' (Title/songname/content description)         'Cântec De Ascultare Al Lui Stoican Bătrînul'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Toni Iordache'
'TPUB' (Publisher)                                  'Asphalt Tango Records'
'TRCK' (Track number/Position in set)               '11/14'
'TSRC' (ISRC (international standard recording code))  'CD-ATR1307'
'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'                                   ['romanian', 'cimbalom', 'balkan', 'romania', 'gypsy']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.15 dB'
'TXXX:replaygain_track_peak'                        '0.532121'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'f2204fd7-24e0-4032-9463-da505a3972f6')

========================== row from database ==========================
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                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  206
                                           'genre'  loc-style-gypsy or balkan or klezmer
                                        'filesize'  6649386
                                           'mtime'  1620579623
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 2007 11. loc style gypsy balkan klezmer
                                      'tag_artist'  Toni Iordache
                                     'tag_release'  Sounds From A Bygone Age · Vol.4
                                       'tag_title'  Cântec De Ascultare Al Lui Stoican Bătrînul
                                             'bpm'  123.5
                                    'search_title'  'al':5 'ascultare':4 'batrinul':8,9 'cantec':1,2 'de':3 'lui':6 'stoican':7
                                   'search_artist'  'iordache':2 'toni':1
                                  'search_release'  '4':7 'a':3 'age':5 'bygone':4 'from':2 'sounds':1 'vol':6 'vol4':8
                                     'search_rest'  '11':2,3 '2007':1 'balkan':7 'gypsy':6 'klezmer':8 'loc':4 'style':5
                                    'search_combo'  '11':21,22 '2007':20 '4':18C 'a':14C 'age':16C 'al':5A 'ascultare':4A 'balkan':26 'batrinul':8A,9A 'bygone':15C 'cantec':1A,2A 'de':3A 'from':13C 'gypsy':25 'iordache':11B 'klezmer':27 'loc':23 'lui':6A 'sounds':12C 'stoican':7A 'style':24 'toni':10B 'vol':17C 'vol4':19C
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', '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-4', 'q-grit-2']
                                      'lastfmtags'  ['romanian', 'cimbalom', 'balkan', 'romania', 'gypsy']
                                        'tag_date'  2007
                                     'discogstags'  ['folk, world, & country', 'folk']

============================== file details ==============================
                                           'mtime'  1620579622.603212  (2021-05-09 19:00:22)
                             'size'  6649386