======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '271'
                                          'artist'  'Kalioph Betta'
                                     'text_people'  ''
                                         'release'  'Miserlou'
                                           'title'  'Misirlou'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-2', 'q-syn-2', 'q-bass-4', "
 "'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', 'q-drums-4', 'q-other-2', "
 "'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['greek female vocalists', 'greek', 'sirens of song', 'folk', 'world']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'set-cover or covered-styled;set-cover or covered'
                                             'bpm'  '142.307'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Miserlou'
'TBPM' (BPM (beats per minute))                     '142.307'
'TCON' (Content type, a.k.a. Genre)                 ['set-cover or covered-styled',
 'set-cover or covered-styled',
 'set-cover or covered']
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Misirlou'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Kalioph Betta'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['greek female vocalists', 'greek', 'sirens of song', 'folk', 'world']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.37 dB'
'TXXX:replaygain_track_peak'                        '0.493421'

========================== row from database ==========================
                                              'id'  1304067
                                            'path'  /data/Music/Bulk/00poprockelectronic/Versions - MISIRLOU/Kaliopi Vetta - Misirlou.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  271
                                           'genre'  set-cover or covered-styled;set-cover or covered
                                        'filesize'  4340649
                                           'mtime'  1638544592
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Versions MISIRLOU Kaliopi Vetta set cover or covered styled;set cover or covered
                                      'tag_artist'  Kalioph Betta
                                     'tag_release'  Miserlou
                                       'tag_title'  Misirlou
                                             'bpm'  142.307
                                    'search_title'  'misirlou':1
                                   'search_artist'  'betta':2 'kalioph':1
                                  'search_release'  'miserlou':1
                                     'search_rest'  '00poprockelectronic':1 'cover':7 'covered':9 'kaliopi':4 'misirlou':3 'or':8 'set':6,11,13 'styled':10,12 'versions':2 'vetta':5
                                    'search_combo'  '00poprockelectronic':5 'betta':3B 'cover':11 'covered':13 'kalioph':2B 'kaliopi':8 'miserlou':4C 'misirlou':1A,7 'or':12 'set':10,15,17 'styled':14,16 'versions':6 'vetta':9
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['greek female vocalists', 'greek', 'sirens of song', 'folk', 'world']
                                        'tag_date'  2007
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1638544591.9430323  (2021-12-03 16:16:31)
                             'size'  4340649