======================== unified (from filesystem) ========================
                                         'bitrate'  '178.657'
                                        'duration'  '156'
                                          'artist'  'Tracy Ullman'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Breakaway'
                                           'quals'  ("['Q-HAP-4', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['pop', '80s', 'female vocalists', 'british', 'new wave']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '133.7'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '133.7'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'Breakaway'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Tracy Ullman'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Mp3gain_minmax'                               '000,190'
'TXXX:Mp3gain_undo'                                 '+003,+003,N'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['pop', '80s', 'female vocalists', 'british', 'new wave']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.81 dB'
'TXXX:replaygain_track_peak'                        '0.597275'

========================== row from database ==========================
                                              'id'  1523965
                                            'path'  /data/Music/Bulk/00poprockelectronic/Disco 70_s 80_s/Best Sellers Of The 80's Vol 1/Tracy Ullman - Breakaway.mp3
                                         'working'  None
                                         'bitrate'  178
                                    'duration_sec'  156
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  3491686
                                           'mtime'  1620569076
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Disco 70_s 80_s Best Sellers Of The 80's Vol 1 electronic we disco or italo
                                      'tag_artist'  Tracy Ullman
                                     'tag_release'  None
                                       'tag_title'  Breakaway
                                             'bpm'  133.7
                                    'search_title'  'breakaway':1
                                   'search_artist'  'tracy':1 'ullman':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '1':13 '70':3 '80':5 '80s':11 'best':7 'disco':2 'electronic':14 'italo':17 'of':9 'or':16 's':4,6 'sellers':8 'the':10 'vol':12 'we':15
                                    'search_combo'  '00poprockelectronic':4 '1':16 '70':6 '80':8 '80s':14 'best':10 'breakaway':1A 'disco':5 'electronic':17 'italo':20 'of':12 'or':19 's':7,9 'sellers':11 'the':13 'tracy':2B 'ullman':3B 'vol':15 'we':18
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-4', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['pop', '80s', 'female vocalists', 'british', 'new wave']
                                        'tag_date'  1980
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620569076.1190312  (2021-05-09 16:04:36)
                             'size'  3491686