======================== unified (from filesystem) ========================
                                         'bitrate'  '218.863'
                                        'duration'  '385'
                                          'artist'  'Who Da Funk'
                                     'text_people'  ''
                                         'release'  'miscitalo'
                                           'title'  'Shiny Disco Balls  Sex on Monday Mix'
                                           'quals'  ("['Q-HAP-4', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-3', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'house', 'techno', 'electronica', 'funky house']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '127.846'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'miscitalo'
'TBPM' (BPM (beats per minute))                     '127.846'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Shiny Disco Balls  Sex on Monday Mix'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Who Da Funk'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['dance', 'house', 'techno', 'electronica', 'funky house']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.47 dB'
'TXXX:replaygain_track_peak'                        '0.622625'

========================== row from database ==========================
                                              'id'  1313044
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00disco-italo/Who Da Funk/Who Da Funk__01 - Shiny Disco Balls (Sex on Monday mix).mp3
                                         'working'  None
                                         'bitrate'  218
                                    'duration_sec'  385
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  10558900
                                           'mtime'  1620610859
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00disco Funk__01 (Sex mix) electronic we disco or
                                      'tag_artist'  Who Da Funk
                                     'tag_release'  miscitalo
                                       'tag_title'  Shiny Disco Balls  Sex on Monday Mix
                                             'bpm'  127.846
                                    'search_title'  'balls':3 'disco':2 'mix':7 'monday':6 'on':5 'sex':4 'shiny':1
                                   'search_artist'  'da':2 'funk':3 'who':1
                                  'search_release'  'miscitalo':1
                                     'search_rest'  '00disco':4 '00poprockelectronic':1 '01':6 'disco':3 'electronic':11 'funk':5 'mix':9,10 'or':13 'sex':7,8 'waves':2 'we':12
                                    'search_combo'  '00disco':15 '00poprockelectronic':12 '01':17 'balls':3A 'da':9B 'disco':2A,14 'electronic':22 'funk':10B,16 'miscitalo':11C 'mix':7A,20,21 'monday':6A 'on':5A 'or':24 'sex':4A,18,19 'shiny':1A 'waves':13 'we':23 'who':8B
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-4', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['dance', 'house', 'techno', 'electronica', 'funky house']
                                        'tag_date'  2006
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620610858.8933387  (2021-05-10 03:40:58)
                             'size'  10558900