======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '214'
                                          'artist'  'Alice Deejay'
                                     'text_people'  ''
                                         'release'  'Who Needs Guitars Anyway?'
                                           'title'  'Better Off Alone'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['eurodance', 'dance', 'trance', 'electronica', 'techno', 'electronic']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '136.920'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     'Who Needs Guitars Anyway?'
'TBPM' (BPM (beats per minute))                     '136.920'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Better Off Alone'
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'Alice Deejay'
'TRCK' (Track number/Position in set)               '2'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:MP3GAIN_MINMAX'                               '120,176'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['eurodance', 'dance', 'trance', 'electronica', 'techno', 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.63 dB'
'TXXX:replaygain_track_peak'                        '0.493731'

========================== row from database ==========================
                                              'id'  1342699
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/Alice Deejay/Alice Deejay__Who Needs Guitars Anyway__MBZ;#Alice Deejay;#Who Needs Guitars Anyway;#02;#Better Off Alone.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  214
                                           'genre'  electronic-th-techno
                                        'filesize'  6857125
                                           'mtime'  1620572472
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted Deejay__Who Anyway__MBZ;#Alice Deejay;#Who Anyway;#02;#Better electronic th techno
                                      'tag_artist'  Alice Deejay
                                     'tag_release'  Who Needs Guitars Anyway?
                                       'tag_title'  Better Off Alone
                                             'bpm'  136.92
                                    'search_title'  'alone':3 'better':1 'off':2
                                   'search_artist'  'alice':1 'deejay':2
                                  'search_release'  'anyway':4 'guitars':3 'needs':2 'who':1
                                     'search_rest'  '00poprockelectronic':1 '02':14,17 'alice':7,10 'anyway':5,8,13,16 'better':15,18 'deejay':3,11 'electronic':19 'mbz':6,9 'techno':21 'th':20 'unsorted':2 'who':4,12
                                    'search_combo'  '00poprockelectronic':10 '02':23,26 'alice':4B,16,19 'alone':3A 'anyway':9C,14,17,22,25 'better':1A,24,27 'deejay':5B,12,20 'electronic':28 'guitars':8C 'mbz':15,18 'needs':7C 'off':2A 'techno':30 'th':29 'unsorted':11 'who':6C,13,21
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['eurodance', 'dance', 'trance', 'electronica', 'techno', 'electronic']
                                        'tag_date'  2000
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620572472.213692  (2021-05-09 17:01:12)
                             'size'  6857125