======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '259'
                                          'artist'  'Shelby Lynne'
                                     'text_people'  'Bill Bottrell/Shelby Lynne'
                                         'release'  'I Am Shelby Lynne'
                                           'title'  "Why Can't You Be?"
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'Q-SYN-2', 'Q-BUSY-3', 'Q-GRIT-1', 'Q-PLAY-2', 'q-bass-4', "
 "'Q-CHART-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['lush', 'country', 'alt country', 'female vocalists', 'singer songwriter']"
                                     'discogstags'  "['blues rock', 'country rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '16'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-country'
                                             'bpm'  '122.1'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         ('0\r\n'
 ' 000009FE 000008AB 00005E1B 00004E33 0001B7B0 0001B7B0 0000836F 0000823B '
 '000379E0 000379E0\r\n'
 ' 00000000 00000210 000009F0 0000000000BE5780 00000000 009E8A40 00000000 '
 '00000000 00000000 00000000 00000000 00000000\r\n'
 'Deluxe Edition (2014)')
'COMM:iTunes_CDDB_1:eng'                            'E80E7910+278026+16+150+13363+27811+42680+60343+76791+96282+112000+131024+148348+165059+184385+202048+216270+235175+266597'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '6'
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/Provider:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x004\x006\x001\x003\x001\x008\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x001\x007\x000\x004\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x003\x003\x000\x009\x002\x002\x002\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x004\x006\x001\x003\x001\x008\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x001\x007\x000\x004\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x003\x003\x000\x009\x002\x002\x002\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:¶¯Ä³\x1eU\x9fK\x90ës¥þ¼c%'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xb6\xaf\xc4\xb3\x1eU\x9fK\x90\xebs\xa5\xfe\xbcc%')
'PRIV:WM/WMCollectionID:¶¯Ä³\x1eU\x9fK\x90ës¥þ¼c%'  PRIV(owner='WM/WMCollectionID', data=b'\xb6\xaf\xc4\xb3\x1eU\x9fK\x90\xebs\xa5\xfe\xbcc%')
'PRIV:WM/WMContentID:\tí®\nýR_O\x97(¿mYÜøE'         PRIV(owner='WM/WMContentID', data=b'\t\xed\xae\n\xfdR_O\x97(\xbfmY\xdc\xf8E')
'TALB' (Album/Movie/Show title)                     'I Am Shelby Lynne'
'TBPM' (BPM (beats per minute))                     '122.1'
'TCOM' (Composer)                                   'Bill Bottrell/Shelby Lynne'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-country'
'TDRC' (Recording time)                             '1999'
'TENC' (Encoded by)                                 'iTunes 11.4.0.18'
'TIT2' (Title/songname/content description)         "Why Can't You Be?"
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Shelby Lynne'
'TPE2' (Band/orchestra/accompaniment)               'Shelby Lynne'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Mercury'
'TRCK' (Track number/Position in set)               '6/16'
'TSSE' (Software/Hardware and settings used for encoding)  'iTunes 11.4.0.18'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '1'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['blues rock', 'country rock', 'rock']
'TXXX:lastfmtags'                                   ['lush', 'country', 'alt country', 'female vocalists', 'singer songwriter']
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.54 dB'
'TXXX:replaygain_track_peak'                        '0.511609'

========================== row from database ==========================
                                              'id'  1510577
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/I Am Shelby Lynne/06 Why Can_t You Be_.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  259
                                           'genre'  ifs-songwriter-country
                                        'filesize'  10926254
                                           'mtime'  1638554924
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 06 Can_t Be_ ifs songwriter country
                                      'tag_artist'  Shelby Lynne
                                     'tag_release'  I Am Shelby Lynne
                                       'tag_title'  Why Can't You Be?
                                             'bpm'  122.1
                                    'search_title'  'be':6 'can':2 'cant':4 't':3 'why':1 'you':5
                                   'search_artist'  'lynne':2 'shelby':1
                                  'search_release'  'am':2 'i':1 'lynne':4 'shelby':3
                                     'search_rest'  'be':7 'can':5 'country':4 'exotica':2 'ifs':8 'jazz':1 'oldies':3 'songwriter':9 't':6
                                    'search_combo'  'am':10C 'be':6A,19 'can':2A,17 'cant':4A 'country':16 'exotica':14 'i':9C 'ifs':20 'jazz':13 'lynne':8B,12C 'oldies':15 'shelby':7B,11C 'songwriter':21 't':3A,18 'why':1A 'you':5A
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-3', 'Q-GRIT-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-3', 'Q-SYN-2', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-2', 'Q-PLAY-2', 'q-bass-4']
                                      'lastfmtags'  ['lush', 'country', 'alt country', 'female vocalists', 'singer songwriter']
                                        'tag_date'  1999
                                     'discogstags'  ['blues rock', 'country rock', 'rock']

============================== file details ==============================
                                           'mtime'  1638554923.8620112  (2021-12-03 19:08:43)
                             'size'  10926254