======================== unified (from filesystem) ========================
                                         'bitrate'  '236.293'
                                        'duration'  '258'
                                          'artist'  '16B'
                                     'text_people'  ''
                                         'release'  'Global Underground 015: Uruguay (Disc 2)'
                                           'title'  "It Doesn't Have To End"
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-4', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['progressive house', 'house', 'electronic', 'chillout', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '07'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '126.568'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Global Underground 015: Uruguay (Disc 2)'
'TBPM' (BPM (beats per minute))                     '126.568'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         "It Doesn't Have To End"
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               '16B'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '07'
'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'                                   ['progressive house', 'house', 'electronic', 'chillout', 'ambient']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.51 dB'
'TXXX:replaygain_track_peak'                        '0.715928'

========================== row from database ==========================
                                              'id'  1504908
                                            'path'  /data/Music/Bulk/00poprockelectronic/Anti Trance Terrorists - Darren Emerson - Global Underground 015- Uruguay (2000) - V0/Disc 2/07 - 16B - It Doesn_t Have To End.mp3
                                         'working'  None
                                         'bitrate'  236
                                    'duration_sec'  258
                                           'genre'  electronic-th-techno
                                        'filesize'  7635600
                                           'mtime'  1620567356
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Anti Trance Terrorists Darren Emerson (2000) V0 07 Doesn_t electronic th techno
                                      'tag_artist'  16B
                                     'tag_release'  Global Underground 015: Uruguay (Disc 2)
                                       'tag_title'  It Doesn't Have To End
                                             'bpm'  126.568
                                    'search_title'  'doesn':2 'doesnt':4 'end':7 'have':5 'it':1 't':3 'to':6
                                   'search_artist'  '16b':1
                                  'search_release'  '015':3,4 '2':8,9 'disc':6,7 'global':1 'underground':2 'uruguay':5
                                     'search_rest'  '00poprockelectronic':1 '2000':7,8 'anti':2 'darren':5 'doesn':10 'electronic':12 'emerson':6 't':11 'techno':14 'terrorists':4 'th':13 'trance':3 'v0':9
                                    'search_combo'  '00poprockelectronic':18 '015':11C,12C '16b':8B '2':16C,17C '2000':24,25 'anti':19 'darren':22 'disc':14C,15C 'doesn':2A,27 'doesnt':4A 'electronic':29 'emerson':23 'end':7A 'global':9C 'have':5A 'it':1A 't':3A,28 'techno':31 'terrorists':21 'th':30 'to':6A 'trance':20 'underground':10C 'uruguay':13C 'v0':26
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['progressive house', 'house', 'electronic', 'chillout', 'ambient']
                                        'tag_date'  2000
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620567356.0219717  (2021-05-09 15:35:56)
                             'size'  7635600